PORTAL_Helium - Wikiparency

*Microsims from the articles linked below:* <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Superfluidity.html" data-title="Superfluidity"></div>   ## Images <figure class="wt-gifplate"> <img src="https://commons.wikimedia.org/wiki/Special:FilePath/D_orbitals_of_an_atom.gif" alt="Noble Gas Structure" loading="lazy" decoding="async"> <figcaption><strong>Noble Gas Structure</strong> — Show helium atomic structure and noble gas stability.<br> <span class="wt-credit">Wikimedia Commons · <strong>licence pending verification</strong> (run <code>g17_gif_verify.py</code> on a networked lane) · <a href="https://commons.wikimedia.org/wiki/File:D_orbitals_of_an_atom.gif">Details</a></span></figcaption> </figure> *Room plate for [[Helium]]. The interactive builds live below; this is the room's one still-motion establishing shot.*  [[Helium]] is the second element and the least interested in anything: a closed shell, no chemistry, the lowest [[Boiling_point|boiling point]] of any substance, and the only element that will not solidify under its own vapour pressure at any temperature, because its [[Zero-point_energy|zero-point]] motion outruns the weak [[Van_der_Waals_force|van der Waals]] binding that would otherwise lock it into a lattice. Its [[Abundance_of_the_chemical_elements|abundance]] is roughly a quarter of the baryonic mass of the universe and 5.24 parts per million of the air — a [[Natural_abundance|natural abundance]] gap with no parallel among the elements. That gap of five orders of magnitude is the story this portal tells, twice over — once as physics and once as economics. The physics: a [[Boson|boson]] with nuclear spin zero, which is why it becomes a [[Superfluidity|superfluid]] at 2.1768 K rather than at millikelvin like its odd cousin — isotope door: [[PORTAL_Helium-3]], and see [[Isotopes_of_helium|the isotopes]] for the pair in full. The economics: terrestrial helium is made one [[Alpha_particle|alpha particle]] at a time by [[Radioactive_decay|decay]] in the crust, accumulates only where an impermeable seal traps it, and is light enough to leave the planet permanently once released. It is the only industrial gas we can actually run out of, and the [[National_Helium_Reserve]] exists because somebody realised that in 1925. Energy door: [[PORTAL_Energy]]. Index: [[PORTAL_INDEX]]. **Portal order (§15).** three.js microsims first, then the prose, then the generated tree. Craft standard: [[WT!Three_js_Microsim_Master_Class]]. ## Movement I — three.js microsims (first, per the spine rule) Seven **Master/Meta** builds, one per leg of what helium is: where it came from, what it makes, what it does when it gets cold, and what it is actually for — [[Nucleosynthesis]] through [[Macroscopic_quantum_phenomena|macroscopic quantum phenomena]] to [[Welding|industry]]. Each is a self-contained three.js file built to the nine gates, and every number in every HUD is computed from the running simulation rather than asserted. > **Deploy state.** All seven are built and deploy-ready in `_3d_deploy_stage/`. That folder *is* the > live site, but the Netlify drop has not run since they landed, so their players are quarantined > behind `MICROSIM:PENDING_DEPLOY` markers rather than left to render a 404 (Master Class, > "Publishing and the deploy reality"). Drop the **entire** `_3d_deploy_stage/` folder — a partial > drop silently deletes everything it does not contain — then clear the markers with > `g08 --undeploy-clear` and all seven players go live in place, here and on the seven articles. ### 1 · [[Helium]] — the only element we can permanently lose <iframe src="https://wikitube-3d-microsims.netlify.app/Helium.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Helium — three.js microsim"></iframe> **`Helium` (three.js).** Three stages stacked vertically in one scene, so the causality reads as geometry. At the bottom, a basement cutaway where [[Uranium]] and [[Thorium]] grains fire discrete [[Alpha_decay|alpha decays]] — each red streak is an [[Alpha_particle|alpha particle]] that thermalises and turns teal, because it is now He-4, a [[Decay_product|decay product]] like any other. In the middle, a porous reservoir under a caprock seal where the trapped fraction climbs toward the 0.3% commercial cutoff. At the top, an exobase shell where [[Atmospheric_escape|escape]] is decided and atoms carry true Maxwell–Boltzmann speeds and anything exceeding 10.77 km/s leaves for good. The crustal production coefficients are re-derived in the code from half-lives, isotopic abundances and alpha yields rather than copied, landing on the published Ballentine & Burnard values to four figures. The escape estimator is importance-sampled with exact likelihood weights and agrees with the analytic tail to four significant figures from 700 K to 2000 K — at 700 K that is one atom in 4.4×10¹¹, and the raw unweighted counter sits at zero while the weighted estimate reads 1.9×10⁻¹⁶, which is the lesson. Nitrogen's curve plunges off the bottom of a 14-decade axis at 55% of escape speed; helium's reaches the line. Press **Vent the reserve** and the accumulated trap goes into the air — the escaped-atom counter is monotonic and is reset by nothing, because the irreversibility is the entire point. ### 2 · [[Triple-alpha_process]] — the bottleneck that should not work <iframe src="https://wikitube-3d-microsims.netlify.app/Triple-alpha_process.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Triple-alpha process — three.js microsim"></iframe> **`Triple-alpha_process` (three.js).** There is no stable nucleus at mass 5 or mass 8, so the road from helium to [[Carbon|carbon]] and the rest of the [[Carbon_group|carbon group]] is blocked at the first step: two alphas make [[Beryllium-8|Be-8]] — an isotope of [[Beryllium|beryllium]] that does not exist in any useful sense — unbound by 91.84 keV and falls apart in about 10⁻¹⁶ s. The sim runs a real cell of alphas and shows the way through — Be-8 reaching a vanishing quasi-equilibrium abundance, continuously remade as fast as it dies, and a third alpha occasionally finding one before it goes. Every Q-value is computed from AME2020 masses in the code, not typed in. The measured Be-8 mean life converges on ħ/Γ from the sim's own decay tally. The temperature exponent is **measured** as d ln(rate)/d ln(T) rather than quoted: 52 at 0.8×10⁸ K, 41 at 10⁸ K, 34 at 1.2×10⁸ K, and only 1.4 at 10⁹ K — so the famous "T⁴⁰" is a local slope near 10⁸ K and nothing more, which the HUD makes impossible to miss. Switch the Hoyle resonance off and carbon production collapses to nothing: the universe stalls at helium — no [[Stellar_nucleosynthesis|stellar nucleosynthesis]] past the first rung — which is exactly Hoyle's argument. ### 3 · [[Lambda_point]] — where the liquid stops being a liquid <iframe src="https://wikitube-3d-microsims.netlify.app/Lambda_point.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Lambda point — three.js microsim"></iframe> **`Lambda_point` (three.js).** The transition at **2.1768 K and 5041.8 Pa** — stated with its pressure, because the lambda *line* runs up the melting curve to 1.762 K at 29.7 atm and a bare number is incomplete. Drag the temperature through it and watch the two-fluid decomposition take hold: ρ_s/ρ climbing from 0 to 1, the two components interpenetrating rather than separating, which is the misreading most worth heading off. The [[Specific_heat_capacity|specific heat]] traces the lambda curve that gives the transition its name — a shape, not a mechanism. The sim also carries the reason the most precise measurement of this transition had to leave the planet: gravity's own pressure gradient smears T_λ by about 1.3 μK per centimetre of liquid depth, so the ground-based experiment is limited by the height of its own sample, and the exponent α = −0.0127 ± 0.0003 came from the Lambda Point Experiment flown on the Space Shuttle in 1992. ### 4 · [[Second_sound]] — a wave made of temperature <iframe src="https://wikitube-3d-microsims.netlify.app/Second_sound.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Second sound — three.js microsim"></iframe> **`Second_sound` (three.js).** A resonator with a driver at one end and a sensor at the other, and two ways to drive it. A mechanical transducer moves both components in phase: total density oscillates, temperature does not, and the wave crosses at 234 m/s. A **heater** moves them out of phase — because the superfluid carries no entropy, a heater pushes entropy rather than mass — and what crosses the cavity is a wave in *temperature* at constant density, about 20 m/s — a [[Macroscopic_quantum_phenomena|macroscopic quantum]] effect with no classical analogue. That counterflow is rendered explicitly, and it is the concept. Sweep the drive frequency and the cavity modes appear as a live response curve, which is precisely how the quantity is measured. The HUD prints the model speed from u₂² = (ρ_s/ρ_n)(T s²/c) alongside the speed **measured** from the running wave, and the two agreeing is the sim's own self-check. Drag the temperature above T_λ and second sound ceases to exist at all — heat goes back to diffusing, which is the control case. ### 5 · [[Rollin_film]] — the film that climbs out of the beaker  *Microsims from the articles this section links:* <div class="wt-simrow"> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Viscosity.html" data-title="Viscosity"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Cryogenics.html" data-title="Cryogenics"></div> </div>  <iframe src="https://wikitube-3d-microsims.netlify.app/Rollin_film.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Rollin film — three.js microsim"></iframe> **`Rollin_film` (three.js).** Helium II wets every surface with a film about 30 nm thick by [[Van_der_Waals_force|van der Waals]] attraction, and because that film has no [[Viscosity|viscosity]] it flows freely — so a beaker raised out of the bath empties itself over its own rim, drop by drop, until the levels match. The film is drawn at 8×10⁴ exaggeration and the HUD says so, which matters: the real thing is invisible. Thickness follows d(h) = (A/6πρgh)^(1/3), so it varies only as the cube root of height. The transfer rate scales with the **perimeter** of the narrowest constriction rather than its area, which is the diagnostic signature of film flow and is why the rim-perimeter slider changes the drip rate linearly. Warm it toward T_λ and the rate goes to zero with ρ_s. The engineering consequence is the part usually left out of the party trick: this film is a parasitic heat leak that has cost real [[Cryogenics|cryogenic]] instruments real hold time, and film burners and knife-edge constrictions exist to defeat it. ### 6 · [[Superconducting_magnet]] — the critical surface, and the quench <iframe src="https://wikitube-3d-microsims.netlify.app/Superconducting_magnet.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Superconducting magnet — three.js microsim"></iframe> **`Superconducting_magnet` (three.js).** Two linked viewports. On the left, a 3 T clinical [[Magnetic_resonance_imaging|MRI]] magnet in its cryostat, with field lines traced by Biot–Savart from the drawn winding itself and a helium bath whose level falls as the quench boils it. On the right, the critical surface J_c(T,B) as an actual surface in three variables, with the operating point sitting inside it and the load line piercing the sheet at the short-sample limit. Cross any face and the magnet quenches, [[Superconductivity|superconductivity]] failing in one spot and then everywhere; the normal zone wraps its own turn in 0.36 s and then spreads axially, because transverse propagation reaches 141 turns/s against 2.8 for longitudinal. The circuit is integrated exactly by matrix exponential rather than RK4, and segment temperatures are advanced in **enthalpy** rather than temperature, because copper's heat capacity spans four orders of magnitude across a quench — energy is conserved by construction and the HUD prints the residual. The arithmetic it exists to show: a 1700 L bath holds 4.3 MJ of latent heat against an 8 MJ magnet, so all three protection modes vent the entire inventory. **Protection saves the magnet, not the helium.** ### 7 · [[Helium_mass_spectrometer]] — a mass filter made of geometry <iframe src="https://wikitube-3d-microsims.netlify.app/Helium_mass_spectrometer.html" width="100%" height="620" frameborder="0" loading="lazy" sandbox="allow-scripts allow-same-origin" title="Helium mass spectrometer — three.js microsim"></iframe> **`Helium_mass_spectrometer` (three.js).** Six species — H₂⁺, HD⁺, He-4⁺, H₂O⁺, N₂⁺, O₂⁺ — are born at rest in a real ion source, given a Maxwellian kick at 300 K, accelerated through an actual E field, apertured, and then pushed through a 90° magnetic sector by a Boris integrator at h = 2.5×10⁻¹⁰ s. Because r = (1/B)√(2Um/q), they fan out to 19.01, 23.28, **26.79**, 56.83, 70.86 and 75.74 mm, and only m/z 4 threads the collector slit — [[Diffusion|diffusion]] gets helium to the leak, but geometry is what identifies it. Every other species hits a named surface, which the HUD reports. Transmission is *traced* through the real geometry with a 96-ray bundle and drives the detector current, so detuning the field collapses the reading causally — and the detector sums **all** transmitted species, so detuning to m/z 28 makes the meter read 500× the helium signal in nitrogen rather than falling silent. That is the real failure mode, and it is named on screen. The Boris trajectory and a closed-form tracer agree to 0.012 mm at the collector, printed live. ## Why helium is strange Every peculiarity of this element comes from two facts sitting together: a closed [[Electron_configuration|electron configuration]], so the interatomic attraction is the weakest of any substance; and the lowest mass of any [[Noble_gas|noble gas]], so the [[Zero-point_energy|zero-point]] motion is the largest — a [[Van_der_Waals_radius|van der Waals radius]] problem as much as a mass one. The ratio of those two — the de Boer quantum parameter, a statement about [[Quantum_mechanics|quantum mechanics]] at macroscopic scale — is of order unity for helium and small for everything else. That is why helium alone stays liquid to absolute zero at saturated vapour pressure, needing about 25 atmospheres to freeze at all — the [[Van_der_Waals_molecule|van der Waals]] well is simply too shallow — and it is why the liquid is a [[Macroscopic_quantum_phenomena|quantum object]] rather than merely a very cold classical one — the same reason its [[Molar_heat_capacity|heat capacity]] and [[Viscosity|viscosity]] refuse to behave. The [[Boiling_point|boiling point]] of 4.22 K is the lowest of any substance, and the [[Critical_point_(thermodynamics)|critical point]] sits at 5.2 K — so there is no ordinary liquid range to speak of, and the [[Heat_capacity_ratio|heat-capacity ratio]] of the gas is the ideal monatomic 5/3. Helium-4 is a composite [[Boson|boson]]: two protons, two neutrons and two electrons — six [[Nucleon|fermions]] all told, an even number of [[Fermion|fermions]], hence integer spin. That single fact licenses [[Bose–Einstein_condensate|Bose–Einstein]] statistics and everything in Movement I's middle three builds. Its isotope [[Helium-3]] holds one fewer neutron, is therefore a fermion, and has to pair before it can do any of the same things — a thousandfold colder. The full contrast lives on [[PORTAL_Helium-3]]. ## Helium II, and the three things it does that nothing else does Below **2.1768 K at saturated vapour pressure**, liquid helium-4 becomes helium II and behaves as though it were two interpenetrating fluids at once, a picture that [[Particle_statistics|Bose statistics]] forces on you — a superfluid fraction with zero [[Viscosity|viscosity]] and zero entropy, and a normal fraction carrying all the entropy and all the viscosity. This is [[Particle_statistics|statistics]] made visible, and a model rather than a claim about two kinds of atom, and the distinction matters: the components are not spatially separated regions, and no atom is "a superfluid atom." From that decomposition three phenomena follow that have no classical analogue at all, and Movement I builds one sim for each. **Heat stops diffusing and starts propagating.** [[Thermal_conductivity_and_resistivity|Thermal conduction]] as ordinarily understood simply stops applying. In helium II a temperature disturbance travels as a wave at a definite speed — [[Second_sound|second sound]], about 20 m/s at its peak near 1.65 K, falling to zero at T_λ. What looks like an enormous thermal conductivity is not conduction at all; it is convective counterflow, which is why helium II stops bubbling the instant it crosses the transition. A bath boiling at its [[Boiling_point|boiling point]] goes abruptly, eerily still, and that is the most visible signature of the transition there is. **The liquid climbs out of its container.** A ~30 nm film wets every surface, and having no viscosity it flows — see [[Rollin_film]]. This is the demonstration everyone has seen; it is also a design constraint that costs real instruments real hold time. **[[Macroscopic_quantum_phenomena|Circulation is quantized]].** Rotation cannot enter the superfluid smoothly; it enters as discrete vortices each carrying h/m₄ of circulation, arranged in a lattice — one of the defining [[Macroscopic_quantum_phenomena|macroscopic quantum phenomena]]. The same quantization in [[Helium-3]] carries h/2m₃ instead, because there the flowing entity is a pair. ## Where terrestrial helium comes from Cosmic helium is a [[Primordial_nuclide|primordial nuclide]] — made in the first minutes by [[Big_Bang_nucleosynthesis]] after the [[Big_Bang]], and then continuously inside every [[Star|star]] by [[Stellar_nucleosynthesis|stellar nucleosynthesis]], and blown out again by objects like the [[Wolf–Rayet_star|Wolf-Rayet stars]]. Terrestrial helium is neither, and none of it is [[Primordial_nuclide|primordial]]. It is **radiogenic**: an [[Alpha_particle|alpha particle]] is a helium-4 nucleus, so every [[Alpha_decay|alpha decay]] in the crust manufactures one atom of helium, and [[Uranium]] and [[Thorium]] decay chains — the same [[Radioactive_decay|radioactive decay]] that heats the planet — have been doing so for four billion years. The rate is small — of order a fraction of a gram per cubic metre of granite per billion years — which is why this is a story about accumulation and trapping rather than production. [[Diffusion|Diffusion]] moves helium out of its source rock, and unless something stops it, it reaches the atmosphere and then leaves the planet. Commercial helium exists only where the gas was caught under an impermeable seal — the same trapping geometry that holds [[Natural_gas|natural gas]], which is why helium is produced as a by-product of [[Natural_gas|natural-gas]] processing and why the fields that matter can be counted on your fingers. The conventional threshold for economic extraction in the United States is about **0.3% helium in the gas stream**, though the figure is genuinely contested and recent work in the literature operates at 0.1%. Extraction is by [[Fractional_distillation|fractional distillation]] once the gas is at the plant. Against 5.24 ppm in air, even the low end is an enrichment of nearly two hundredfold, and that enrichment is the entire resource. ## And why we lose it Helium is monatomic, chemically inert, and light. In the exosphere the fast tail of its Maxwell–Boltzmann distribution exceeds Earth's escape velocity, and those atoms leave — Jeans escape. The atmospheric residence time is a couple of million years, which on any human timescale means permanent loss. This is [[Atmospheric_escape|atmospheric escape]], and nothing else we use behaves this way: vented [[Nitrogen|nitrogen]], [[Oxygen]] or carbon dioxide stays on the planet and can in principle be recovered. Vented helium is gone. One honest qualification, because the simple story is over-told: thermal Jeans escape by itself accounts for only about one atom in a million of the observed helium loss rate. Non-thermal channels — polar wind and charge-exchange processes — dominate the actual budget. Jeans escape is the mechanism that makes the *point* cleanly, and it is what the [[Helium]] sim measures, but it is not the whole accounting, and a portal that implied otherwise would be wrong. ## What it is actually for The popular image of helium is the [[Balloon|balloon]] — or the [[Airship]], or the [[Barrage_balloon|barrage balloon]] that made it a strategic material in the first place. The real demand is cryogenic and industrial, and the largest single application is cooling [[Superconducting_magnet|superconducting magnets]] — in [[Magnetic_resonance_imaging|MRI]] scanners, [[Nuclear_magnetic_resonance_spectroscopy|NMR spectrometers]], and accelerators. Nothing else is cold enough: [[Liquid_nitrogen]] stops at 77 K and liquid helium at 4.2 K is the only working fluid that reaches the operating point of a [[Niobium]]-[[Titanium|titanium]] winding, and there is no substitute at any price — [[Superconductivity|superconductivity]] in the working conductors simply stops above it. After that: leak detection, where helium's 5.24 ppm atmospheric background makes it the ideal tracer (see [[Helium_mass_spectrometer]]); purging and pressurising [[Rocket|rocket]] and [[Rocket_propellant|propellant]] systems; inert shielding in [[Arc_welding|arc welding]], [[Welding|fabrication]] and semiconductor fabrication; shielding in [[Gas_tungsten_arc_welding|TIG welding]]; carrier gas in [[Gas_chromatography|chromatography]]; and [[Trimix_(breathing_gas)|trimix and heliox]] breathing mixtures for [[Deep_diving|deep diving]], where replacing [[Nitrogen|nitrogen]] defeats [[Nitrogen_narcosis|narcosis]] and reduces gas density. USGS puts MRI at 15% of United States use in its 2026 summary, down from 17% the year before — worth noting because the widely repeated "about 30%" matches no USGS table, and because MRI is no longer the largest single US end use. ## The reserve, and the market The United States began regulating helium with the [[Helium_Act_of_1925]] and accumulated a strategic stockpile at the Cliffside field near [[Amarillo,_Texas|Amarillo]] from the 1960s — the [[National_Helium_Reserve]]. The **Helium Privatization Act of 1996**, an [[Act_of_Congress]], ordered it sold; the **Helium Stewardship Act of 2013** restructured the sale after the 1996 mechanism was found to be pricing helium below market and distorting it. The statutory disposal deadline was September 2021; the actual sale of the Federal Helium System closed on **25 January 2024**, transferring on 27 June 2024 to Messer for about $460 million. The market since has been volatile in both directions and the honest description is unsettled. USGS's 2026 summary reads as a supply expansion — several new United States operations, a Beaumont storage cavern for excess production, and new Canadian and South African plants. Against that, strikes on Ras Laffan in March 2026 halted Qatari production and roughly doubled spot prices, and Qatar's share of world supply is itself disputed in the trade press. Any figure quoted for the 2026 helium market should carry its date and its source, the way an [[Isotope|isotopic]] measurement would, and this portal declines to average the disagreement into a number that is nobody's estimate. ## Sources Verified against publisher records, DOI resolvers, standards bodies and government publications; where a commonly circulated figure is wrong or unqualified, the correction is stated above. **The element and its escape** - Birner, B. et al. (2023). "Atmospheric helium: the 5.24 ppm determination." *Atmos. Meas. Tech.* **16**: 1551. [doi:10.5194/amt-16-1551-2023](https://doi.org/10.5194/amt-16-1551-2023) — the modern atmospheric abundance; note the underlying determination is Glückauf, *Trans. Faraday Soc.* **44**: 436–439 (**1944**, not 1946 as often cited). - Catling, D. C. & Zahnle, K. J. (2009). "The Planetary Air Leak." *Scientific American* — the source for the finding that thermal Jeans escape accounts for only ~1 in 10⁶ of observed helium loss; the non-thermal channels dominate. - Ballentine, C. J. & Burnard, P. G. (2002). "Production, Release and Transport of Noble Gases in the Continental Crust." *Rev. Mineral. Geochem.* **47**: 481–538. [doi:10.2138/rmg.2002.47.12](https://doi.org/10.2138/rmg.2002.47.12) — the crustal production coefficients. `[paywalled; the sim re-derives them independently from half-lives and alpha yields and reproduces them to four figures]` - National Research Council (2000). *The Impact of Selling the Federal Helium Reserve.* — the 0.3% economic threshold, verbatim. Compare Danabalan, D. et al. (2022), *Petroleum Geoscience*, working at 0.1%. **Helium II** - BIPM. [*Guide to the Realization of the ITS-90 — Vapour-Pressure Scales*](https://www.bipm.org/documents/20126/41773843/Guide_ITS-90_3_VPS_p_2018.pdf/dcd65f47-8699-d2f2-cace-44885f4f49fb) — T_λ = 2.1768 K at 5041.8 Pa. - Kapitza, P. (1938) and Allen, J. F. & Misener, A. D. (1938). *Nature* **141**(3558): 74 and 75 — the two independent discovery reports, in the same issue. - Lipa, J. A. et al. (2003). "Specific heat of liquid helium in zero gravity very near the lambda point." *Phys. Rev. B* **68**: 174518. [doi:10.1103/PhysRevB.68.174518](https://doi.org/10.1103/PhysRevB.68.174518) — the STS-52 Lambda Point Experiment; α = −0.0127 ± 0.0003, and the 1.3 μK/cm gravity rounding that made microgravity necessary. - Chester, S. M. et al. (2020). *JHEP* **06**: 142. [doi:10.1007/JHEP06(2020)142](https://doi.org/10.1007/JHEP06(2020)142) — sharpens rather than resolves the long-standing ~8σ discrepancy between the flight exponent and conformal-bootstrap/Monte-Carlo theory. Do not present that agreement as settled. - Donnelly, R. J. & Barenghi, C. F. (1998). "The Observed Properties of Liquid Helium at the Saturated Vapor Pressure." *J. Phys. Chem. Ref. Data* **27**: 1217 — the recommended tables behind the first- and second-sound speeds and ρ_s/ρ used here. - Dash, J. G. & Boorse, H. A. (1951). *Phys. Rev.* **82**: 851 — film transfer rates, and the fact that the classic 7.5×10⁻⁵ cm³/cm·s is a **glass** value: the same apparatus gave 51×10⁻⁵ for etched copper, so quoting it without the substrate is wrong by up to sevenfold. **Nucleosynthesis** - Hoyle, F. (1954). *Astrophys. J. Suppl.* **1**: 121 — the resonance argument. `[UNVERIFIED at source]` - Dunbar, D. N. F., Pixley, R. E., Wenzel, W. A. & Whaling, W. (1953). "The 7.68-Mev State in C¹²." *Phys. Rev.* **92**: 649. [doi:10.1103/PhysRev.92.649](https://doi.org/10.1103/PhysRev.92.649) — the experimental find. Note the spin-parity 0⁺ was only established four years later by Cook, Fowler, C. C. Lauritsen & T. Lauritsen, *Phys. Rev.* **107**: 508 (1957), so "confirmed in 1953" is half the story. - Freer, M. & Fynbo, H. O. U. (2014). "The Hoyle state in ¹²C." *Prog. Part. Nucl. Phys.* **78**: 1–23. [doi:10.1016/j.ppnp.2014.06.001](https://doi.org/10.1016/j.ppnp.2014.06.001) — E_x = 7.65407(19) MeV, Γ = 9.3(9) eV. - Dell'Aquila, D. et al. (2024). *Sci. Rep.* **14**: 18958 — recommended radiative branching ratio 4.11(10)×10⁻⁴, against Kibédi et al., *PRL* **125**: 182701 (2020) at 6.2(6)×10⁻⁴, which is >3σ away and is named rather than averaged. - Kragh, H. (2010). *Arch. Hist. Exact Sci.* **64**: 721 — on how Hoyle's actual argument differs from the anthropic gloss it is usually given. **Magnets, instruments and the market** - Wilson, M. N. *Superconducting Magnets* and the JUAS lectures — NZPV 5–20 m/s longitudinal, transverse ratio 1–3%. - Air Products, Safetygram 22 — liquid helium latent heat 20.28 kJ/kg and density 124.98 kg/m³. **The expansion ratio needs its reference temperature:** 1:700 at 0 °C, 1:754 at 21.1 °C. The Safetygram labels its 754 as "B.P. to 32 °F (0 °C)", but 754 does not reproduce at 0 °C from that table's own density rows and does reproduce at 70 °F — so a figure quoted without its reference is incomplete. - USGS, *Mineral Commodity Summaries 2026* (and 2025, 2023) — US end-use split; MRI at 15% in 2026, 17% in 2025. - Bureau of Land Management / Public Law 113-40 — Helium Stewardship Act 2013; Federal Helium System sale closed 25 January 2024, transferred 27 June 2024 to Messer for ~$460 million. ## Notes Stub created 2026-07-29 ahead of incoming seed/project data; seeded with Movement I and the full spine 2026-08-05. Legacy `Wikitube HUBS/... /Elements/ELEMENTS_MAIN` is queued for the Collision Gate (WIKI_RULES §5) — do not link its legacy path.  ## Play every microsim on this page <p class="microsim-gallery-note">Every microsim linked from this portal, embedded live. <strong>217 players</strong> — 34 threejs · 65 p5js · 118 elements. 4 are staged but not yet deployed and show as placeholders.</p> <ul class="microsim-gallery"> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Alpha_particle.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Alpha particle — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Alpha_particle">Alpha particle</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Alpha_particle.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Atomic_orbital.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Atomic orbital — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Atomic_orbital">Atomic orbital</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Atomic_orbital.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Binding_energy.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Binding energy — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Binding_energy">Binding energy</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Binding_energy.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Boson.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Boson — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Boson">Boson</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Boson.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Dilution_refrigerator.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Dilution refrigerator — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Dilution_refrigerator">Dilution refrigerator</a></div><div class="ms-sub">threejs · <a 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sandbox="allow-scripts allow-same-origin" title="Fractional distillation — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Fractional_distillation">Fractional distillation</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Fractional_distillation.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Half-life.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Half-life — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Half-life">Half-life</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Half-life.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Klein_bottle.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Klein bottle — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Klein bottle</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Klein_bottle.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Three.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Lifting_gas.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Lifting gas — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lifting_gas">Lifting gas</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Lifting_gas.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Liquid_helium.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Liquid helium — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Liquid_helium">Liquid helium</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Liquid_helium.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Noble_gas.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Noble gas — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Noble_gas">Noble gas</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Noble_gas.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Nuclear_magnetic_resonance.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Nuclear magnetic resonance — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nuclear_magnetic_resonance">Nuclear magnetic resonance</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Nuclear_magnetic_resonance.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Nucleosynthesis.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Nucleosynthesis — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nucleosynthesis">Nucleosynthesis</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Nucleosynthesis.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Platonic_solid.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Platonic solids — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Platonic solids</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Platonic_solid.html" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Three.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Reynolds_number.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Reynolds number — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Reynolds_number">Reynolds number</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Reynolds_number.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Superconductivity.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Superconductivity — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Superconductivity">Superconductivity</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Superconductivity.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Superfluid_helium-4.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Superfluid helium-4 — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Superfluid_helium-4">Superfluid helium-4</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Superfluid_helium-4.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Viscosity.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Viscosity — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Viscosity">Viscosity</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Viscosity.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Zero-point_energy.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Zero-point energy — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Zero-point_energy">Zero-point energy</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Zero-point_energy.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/90jeLsBsW" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Acoustic wave — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">Acoustic wave</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/90jeLsBsW" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">p5.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/tHGSVAofH" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Aliasing — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">Aliasing</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/tHGSVAofH" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">p5.js Microsim Master Class</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/TZoPav0Tw" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Alpha decay — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Alpha_decay">Alpha decay</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/TZoPav0Tw" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/hrAAf829T" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Alpha particle — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Alpha_particle">Alpha particle</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/hrAAf829T" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/JJ37eYM7T" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Balloon — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Balloon">Balloon</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/JJ37eYM7T" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/6EKFi6NAU" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Beta decay — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Beta_decay">Beta decay</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/6EKFi6NAU" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/RnDl-UCo_" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Beta decay — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Beta_decay">Beta decay</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/RnDl-UCo_" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/qRQ8UgF6G" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Binding energy — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Binding_energy">Binding energy</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/qRQ8UgF6G" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/VziF3HN-Lb" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Boiling point — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Boiling_point">Boiling point</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/VziF3HN-Lb" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/7nuN8HWjc" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Boson — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Boson">Boson</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/7nuN8HWjc" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/SpKvtopBR" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Chemical element — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Chemical_element">Chemical element</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/SpKvtopBR" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/1unm-XNLx" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Cryogenics — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Cryogenics">Cryogenics</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/1unm-XNLx" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/1dKbR6vAT" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Decay product — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Decay_product">Decay product</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/1dKbR6vAT" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/voyPu863e" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Density — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Density">Density</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/voyPu863e" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/ZoDIpgATd" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Diffusion — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Diffusion">Diffusion</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/ZoDIpgATd" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/ZOYPv_pYk" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Dilution refrigerator — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Dilution_refrigerator">Dilution refrigerator</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/ZOYPv_pYk" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/8NIJKebDh" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="ENGINES Nuclear_fusion — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nuclear_fusion">ENGINES Nuclear_fusion</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/8NIJKebDh" target="_blank" rel="noopener">open in the p5 editor</a> · on <a 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sandbox="allow-scripts allow-same-origin" title="Rocket propellant — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Rocket_propellant">Rocket propellant</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/DsIanlgNT" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/9GBXPCDIZ" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Shielding gas — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Shielding_gas">Shielding gas</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/9GBXPCDIZ" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe 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editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/wxBSln5z5" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Superfluid helium-4 — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Superfluid_helium-4">Superfluid helium-4</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/wxBSln5z5" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/cE4mNawUS" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Thorium — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Thorium">Thorium</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/cE4mNawUS" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/1IZoNsxqT" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Titanium — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Titanium">Titanium</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/1IZoNsxqT" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/4VEY1wJew" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Trimix (breathing gas) — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Trimix_(breathing_gas)">Trimix (breathing gas)</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/4VEY1wJew" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/LGnSl67W_" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Viscosity — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Viscosity">Viscosity</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/LGnSl67W_" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/jSgb5aAeX" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Voltage — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Voltage">Voltage</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/jSgb5aAeX" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/rGvUcgG8H" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Wave equation (p5.js) — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Wave_equation">Wave equation (p5.js)</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/rGvUcgG8H" target="_blank" rel="noopener">open in the p5 editor</a> · on <a href="https://en.wikitube.io/wiki/Wave_equation">Wave equation</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/ZBxM-wEIe" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Wayback Machine — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Wayback_Machine">Wayback Machine</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/ZBxM-wEIe" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="p5js"> <iframe src="https://editor.p5js.org/sciencenibber/full/npXlwW_az" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Zero-point energy — p5js microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Zero-point_energy">Zero-point energy</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/npXlwW_az" target="_blank" rel="noopener">open in the p5 editor</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ac&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Actinium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Actinium">🧊 Actinium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ac&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Actinium">Actinium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Al&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Aluminium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Aluminium">🧊 Aluminium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Al&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Aluminium">Aluminium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Am&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Americium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Americium">🧊 Americium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Am&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Americium">Americium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Sb&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Antimony — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Antimony">🧊 Antimony</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Sb&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Antimony">Antimony</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ar&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Argon — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Argon">🧊 Argon</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ar&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Argon">Argon</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=As&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Arsenic — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Arsenic">🧊 Arsenic</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=As&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Arsenic">Arsenic</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=At&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Astatine — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Astatine">🧊 Astatine</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=At&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Astatine">Astatine</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ba&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Barium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Barium">🧊 Barium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ba&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Barium">Barium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Bk&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Berkelium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Berkelium">🧊 Berkelium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Bk&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Berkelium">Berkelium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Be&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Beryllium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Beryllium">🧊 Beryllium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Be&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Beryllium">Beryllium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Bi&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Bismuth — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Bismuth">🧊 Bismuth</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Bi&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Bismuth">Bismuth</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Bh&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Bohrium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Bohrium">🧊 Bohrium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Bh&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Bohrium">Bohrium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=B&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Boron — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Boron">🧊 Boron</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=B&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Boron">Boron</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Br&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Bromine — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Bromine">🧊 Bromine</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Br&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Bromine">Bromine</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cd&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Cadmium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Cadmium">🧊 Cadmium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cd&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Cadmium">Cadmium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cs&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Caesium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Caesium">🧊 Caesium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cs&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Caesium">Caesium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ca&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Calcium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Calcium">🧊 Calcium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ca&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Calcium">Calcium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cf&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Californium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Californium">🧊 Californium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cf&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Californium">Californium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=C&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Carbon — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Carbon">🧊 Carbon</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=C&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Carbon">Carbon</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ce&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Cerium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Cerium">🧊 Cerium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ce&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Cerium">Cerium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cl&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Chlorine — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Chlorine">🧊 Chlorine</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cl&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Chlorine">Chlorine</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Chromium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Chromium">🧊 Chromium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Chromium">Chromium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Co&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Cobalt — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Cobalt">🧊 Cobalt</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Co&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Cobalt">Cobalt</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cn&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Copernicium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Copernicium">🧊 Copernicium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cn&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Copernicium">Copernicium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cu&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Copper — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Copper">🧊 Copper</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cu&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Copper">Copper</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Cm&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Curium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Curium">🧊 Curium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Cm&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Curium">Curium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ds&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Darmstadtium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Darmstadtium">🧊 Darmstadtium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ds&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Darmstadtium">Darmstadtium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Db&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Dubnium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Dubnium">🧊 Dubnium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Db&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Dubnium">Dubnium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Dy&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Dysprosium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Dysprosium">🧊 Dysprosium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Dy&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Dysprosium">Dysprosium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Es&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Einsteinium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Einsteinium">🧊 Einsteinium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Es&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Einsteinium">Einsteinium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Er&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Erbium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Erbium">🧊 Erbium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Er&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Erbium">Erbium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Eu&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Europium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Europium">🧊 Europium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Eu&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Europium">Europium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Fm&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Fermium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Fermium">🧊 Fermium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Fm&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Fermium">Fermium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Fl&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Flerovium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Flerovium">🧊 Flerovium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Fl&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Flerovium">Flerovium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=F&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Fluorine — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Fluorine">🧊 Fluorine</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=F&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Fluorine">Fluorine</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Fr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Francium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Francium">🧊 Francium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Fr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Francium">Francium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Gd&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Gadolinium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Gadolinium">🧊 Gadolinium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Gd&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Gadolinium">Gadolinium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ga&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Gallium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Gallium">🧊 Gallium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ga&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Gallium">Gallium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ge&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Germanium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Germanium">🧊 Germanium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ge&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Germanium">Germanium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Au&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Gold — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Gold">🧊 Gold</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Au&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Gold">Gold</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Hf&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Hafnium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Hafnium">🧊 Hafnium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Hf&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Hafnium">Hafnium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Hs&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Hassium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Hassium">🧊 Hassium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Hs&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Hassium">Hassium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=He&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Helium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Helium">🧊 Helium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=He&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Helium">Helium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ho&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Holmium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Holmium">🧊 Holmium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ho&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Holmium">Holmium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=H&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Hydrogen — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Hydrogen">🧊 Hydrogen</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=H&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Hydrogen">Hydrogen</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=In&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Indium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Indium">🧊 Indium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=In&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Indium">Indium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=I&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Iodine — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Iodine">🧊 Iodine</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=I&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Iodine">Iodine</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ir&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Iridium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Iridium">🧊 Iridium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ir&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Iridium">Iridium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Fe&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Iron — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Iron">🧊 Iron</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Fe&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Iron">Iron</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Kr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Krypton — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Krypton">🧊 Krypton</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Kr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Krypton">Krypton</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=La&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Lanthanum — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lanthanum">🧊 Lanthanum</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=La&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Lanthanum">Lanthanum</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Lr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Lawrencium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lawrencium">🧊 Lawrencium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Lr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Lawrencium">Lawrencium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pb&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Lead — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lead">🧊 Lead</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pb&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Lead">Lead</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Li&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Lithium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lithium">🧊 Lithium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Li&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Lithium">Lithium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Lv&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Livermorium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Livermorium">🧊 Livermorium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Lv&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Livermorium">Livermorium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Lu&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Lutetium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lutetium">🧊 Lutetium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Lu&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Lutetium">Lutetium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Mg&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Magnesium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Magnesium">🧊 Magnesium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Mg&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Magnesium">Magnesium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Mn&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Manganese — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Manganese">🧊 Manganese</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Mn&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Manganese">Manganese</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Mt&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Meitnerium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Meitnerium">🧊 Meitnerium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Mt&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Meitnerium">Meitnerium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Md&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Mendelevium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Mendelevium">🧊 Mendelevium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Md&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Mendelevium">Mendelevium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Hg&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Mercury — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Mercury_(element)">🧊 Mercury</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Hg&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Mercury_(element)">Mercury (element)</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Mo&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Molybdenum — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Molybdenum">🧊 Molybdenum</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Mo&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Molybdenum">Molybdenum</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Mc&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Moscovium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Moscovium">🧊 Moscovium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Mc&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Moscovium">Moscovium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Nd&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Neodymium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Neodymium">🧊 Neodymium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Nd&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Neodymium">Neodymium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ne&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Neon — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Neon">🧊 Neon</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ne&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Neon">Neon</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Np&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Neptunium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Neptunium">🧊 Neptunium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Np&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Neptunium">Neptunium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ni&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Nickel — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nickel">🧊 Nickel</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ni&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Nickel">Nickel</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Nh&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Nihonium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nihonium">🧊 Nihonium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Nh&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Nihonium">Nihonium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Nb&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Niobium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Niobium">🧊 Niobium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Nb&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Niobium">Niobium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=N&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Nitrogen — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nitrogen">🧊 Nitrogen</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=N&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Nitrogen">Nitrogen</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=No&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Nobelium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Nobelium">🧊 Nobelium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=No&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Nobelium">Nobelium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Og&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Oganesson — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Oganesson">🧊 Oganesson</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Og&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Oganesson">Oganesson</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Os&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Osmium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Osmium">🧊 Osmium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Os&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Osmium">Osmium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=O&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Oxygen — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Oxygen">🧊 Oxygen</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=O&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Oxygen">Oxygen</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pd&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Palladium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Palladium">🧊 Palladium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pd&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Palladium">Palladium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=P&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Phosphorus — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Phosphorus">🧊 Phosphorus</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=P&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Phosphorus">Phosphorus</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pt&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Platinum — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Platinum">🧊 Platinum</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pt&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Platinum">Platinum</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pu&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Plutonium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Plutonium">🧊 Plutonium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pu&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Plutonium">Plutonium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Po&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Polonium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Polonium">🧊 Polonium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Po&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Polonium">Polonium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=K&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Potassium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Potassium">🧊 Potassium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=K&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Potassium">Potassium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Praseodymium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Praseodymium">🧊 Praseodymium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Praseodymium">Praseodymium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pm&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Promethium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Promethium">🧊 Promethium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pm&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Promethium">Promethium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Pa&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Protactinium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Protactinium">🧊 Protactinium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Pa&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Protactinium">Protactinium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ra&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Radium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Radium">🧊 Radium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ra&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Radium">Radium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Rn&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Radon — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Radon">🧊 Radon</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Rn&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Radon">Radon</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Re&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Rhenium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Rhenium">🧊 Rhenium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Re&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Rhenium">Rhenium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Rh&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Rhodium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Rhodium">🧊 Rhodium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Rh&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Rhodium">Rhodium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Rg&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Roentgenium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Roentgenium">🧊 Roentgenium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Rg&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Roentgenium">Roentgenium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Rb&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Rubidium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Rubidium">🧊 Rubidium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Rb&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Rubidium">Rubidium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ru&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Ruthenium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Ruthenium">🧊 Ruthenium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ru&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Ruthenium">Ruthenium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Rf&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Rutherfordium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Rutherfordium">🧊 Rutherfordium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Rf&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Rutherfordium">Rutherfordium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Sm&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Samarium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Samarium">🧊 Samarium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Sm&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Samarium">Samarium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Sc&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Scandium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Scandium">🧊 Scandium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Sc&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Scandium">Scandium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Sg&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Seaborgium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Seaborgium">🧊 Seaborgium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Sg&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Seaborgium">Seaborgium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Se&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Selenium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Selenium">🧊 Selenium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Se&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Selenium">Selenium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Si&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Silicon — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Silicon">🧊 Silicon</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Si&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Silicon">Silicon</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ag&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Silver — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Silver">🧊 Silver</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ag&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Silver">Silver</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Na&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Sodium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Sodium">🧊 Sodium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Na&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Sodium">Sodium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Sr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Strontium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Strontium">🧊 Strontium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Sr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Strontium">Strontium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=S&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Sulfur — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Sulfur">🧊 Sulfur</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=S&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Sulfur">Sulfur</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ta&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Tantalum — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Tantalum">🧊 Tantalum</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ta&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Tantalum">Tantalum</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Tc&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Technetium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Technetium">🧊 Technetium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Tc&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Technetium">Technetium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Te&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Tellurium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Tellurium">🧊 Tellurium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Te&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Tellurium">Tellurium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ts&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Tennessine — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Tennessine">🧊 Tennessine</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ts&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Tennessine">Tennessine</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Tb&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Terbium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Terbium">🧊 Terbium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Tb&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Terbium">Terbium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Tl&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Thallium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Thallium">🧊 Thallium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Tl&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Thallium">Thallium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Th&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Thorium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Thorium">🧊 Thorium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Th&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Thorium">Thorium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Tm&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Thulium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Thulium">🧊 Thulium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Tm&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Thulium">Thulium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Sn&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Tin — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Tin">🧊 Tin</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Sn&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Tin">Tin</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Ti&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Titanium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Titanium">🧊 Titanium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Ti&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Titanium">Titanium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=W&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Tungsten — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Tungsten">🧊 Tungsten</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=W&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Tungsten">Tungsten</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=U&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Uranium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Uranium">🧊 Uranium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=U&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Uranium">Uranium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=V&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Vanadium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Vanadium">🧊 Vanadium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=V&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Vanadium">Vanadium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Xe&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Xenon — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Xenon">🧊 Xenon</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Xe&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Xenon">Xenon</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Yb&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Ytterbium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Ytterbium">🧊 Ytterbium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Yb&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Ytterbium">Ytterbium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Y&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Yttrium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Yttrium">🧊 Yttrium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Y&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Yttrium">Yttrium</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Zn&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Zinc — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Zinc">🧊 Zinc</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Zn&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Zinc">Zinc</a></div></div> </li> <li class="microsim-card" data-lib="elements"> <iframe src="https://wikitube-elements.netlify.app/?el=Zr&embed=1" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="🧊 Zirconium — elements microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Zirconium">🧊 Zirconium</a></div><div class="ms-sub">elements · <a href="https://wikitube-elements.netlify.app/?el=Zr&embed=1" target="_blank" rel="noopener">open full-screen</a> · on <a href="https://en.wikitube.io/wiki/Zirconium">Zirconium</a></div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Bohr_model.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Bohr_model">Bohr model</a></div><div class="ms-sub">threejs · awaiting CDN deploy</div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Crystal_structure.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Crystal_structure">Crystal structure</a></div><div class="ms-sub">threejs · awaiting CDN deploy</div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Cubic_crystal_system.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Cubic_crystal_system">Cubic crystal system</a></div><div class="ms-sub">threejs · awaiting CDN deploy</div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Helium.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Helium — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Helium">Helium</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Helium.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Helium_mass_spectrometer.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Helium mass spectrometer — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Helium_mass_spectrometer">Helium mass spectrometer</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Helium_mass_spectrometer.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Helium-3.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Helium-3 — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Helium-3">Helium-3</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Helium-3.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Hydrogen_atom.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Hydrogen atom — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Hydrogen_atom">Hydrogen atom</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Hydrogen_atom.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card is-pending" data-lib="threejs"> <div class="ms-placeholder">Staged, not yet deployed — <code>Ion.html</code></div> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Ion">Ion</a></div><div class="ms-sub">threejs · awaiting CDN deploy</div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Lambda_point.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Lambda point — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Lambda_point">Lambda point</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Lambda_point.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Rollin_film.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Rollin film — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Rollin_film">Rollin film</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Rollin_film.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Second_sound.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Second sound — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Second_sound">Second sound</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Second_sound.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Superconducting_magnet.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Superconducting magnet — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Superconducting_magnet">Superconducting magnet</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Superconducting_magnet.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Superfluidity.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Superfluidity — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Superfluidity">Superfluidity</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Superfluidity.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> <li class="microsim-card" data-lib="threejs"> <iframe src="https://wikitube-3d-microsims.netlify.app/Triple-alpha_process.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Triple-alpha process — threejs microsim"></iframe> <div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Triple-alpha_process">Triple-alpha process</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Triple-alpha_process.html" target="_blank" rel="noopener">open full-screen</a></div></div> </li> </ul>   **Craft standard:** Both craft standards apply here — [[WT!Three_js_Microsim_Master_Class|three.js]] and [[WT!P5_js_Microsim_Master_Class|p5.js]].   ## Stations · added 2026-09-10 **Deploy state, 2026-09-10.** The seven Movement I three.js players above are live on `wikitube-3d-microsims.netlify.app` (each file checked against `_3d_deploy_stage/`), so their `MICROSIM:PENDING_DEPLOY` placeholders have been cleared here and on the seven articles. The deploy-state note above predates that. Three p5.js microsims from the Helium worklist (rows HEL-001 to HEL-003), gated before shipping, each with a 16:9 and a 9:16 video. Published to the live site, `wikitube-3d-microsims.netlify.app`, on 2026-09-10. <div class="wt-simrow"> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/Helium_atom.html" data-title="Helium atom"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/Quantum_vortex.html" data-title="Quantum vortex"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/Roton.html" data-title="Roton"></div> </div> ### 8 · [[Helium_atom]] — the variational principle, one guess at a time Two electrons around a +2 nucleus, drawn as clouds sampled from the trial orbital. Slide the effective charge ζ each electron sees and watch E(ζ) = ζ² − 2Zζ + (5/8)ζ trace a parabola whose every point lies above the true energy. Ignoring the repulsion would give −108.8 eV; counting it with unscreened orbitals gives −74.8 eV; the best single-orbital guess, ζ = 27/16, gives −77.5 eV. Press **c** to add the electrons' separation r₁₂ to the wavefunction, as Hylleraas did in 1929, and the energy reaches −78.98 eV against a measured −79.0 eV. **HUD:** ζ, the trial energy, the Hylleraas value and the running mean electron separation; an energy ladder shows every level against the truth. Videos: [16:9](https://wikitube-3d-microsims.netlify.app/media/Helium_atom_16x9.mp4) · [9:16](https://wikitube-3d-microsims.netlify.app/media/Helium_atom_9x16.mp4) ### 9 · [[Quantum_vortex]] — how a liquid that cannot rotate, rotates A bucket of superfluid helium, 0.5 mm in radius, seen from above. Below about 1 rad/s the walls and the normal fluid turn while the superfluid stays perfectly still: its flow is irrotational. Past Ω_c1 = (κ/2πR²) ln(R/a₀) vortices enter, each carrying exactly one quantum of circulation κ = h/m₄ = 9.97×10⁻⁸ m²/s, and settle into a triangular lattice at Feynman's density 2Ω/κ. A plot beside the bucket shows the superfluid speed v = N(<r)κ/2πr climbing in steps around the solid-body line v = Ωr. **HUD:** Ω, the first critical speed, the vortex count and the total circulation. Videos: [16:9](https://wikitube-3d-microsims.netlify.app/media/Quantum_vortex_16x9.mp4) · [9:16](https://wikitube-3d-microsims.netlify.app/media/Quantum_vortex_9x16.mp4) ### 10 · [[Roton]] — the excitation shaped by how atoms pack Drag a wavenumber k along the energy plot and watch a density wave run through a strip of helium atoms. Long waves are sound; the energy peaks at the maxon (13.9 K at 1.13 Å⁻¹) and dips to the roton (8.62 K at 1.92 Å⁻¹), where the wavelength, 3.3 Å, is about one atom apart. Feynman's relation ε = ħ²k²/2mS(k) ties the dip to the structure factor S(k): drag its peak and his roton moves, landing between 12 and 18 K against the measured 8.6 K. **HUD:** k, λ, both energies and the Landau critical velocity, 58 m/s from the measured roton. Videos: [16:9](https://wikitube-3d-microsims.netlify.app/media/Roton_16x9.mp4) · [9:16](https://wikitube-3d-microsims.netlify.app/media/Roton_9x16.mp4) ## Worklist · added 2026-09-10 Next in the Helium queue (HEL-004 to HEL-013): [[Helium_dimer]] · [[Supersolid]] · [[Big_Bang_nucleosynthesis]] · [[Matrix_isolation]] · [[Path_integral_Monte_Carlo]] · [[Superfluid_vacuum_theory]] · [[Scanning_helium_ion_microscope]] · [[Second_sound]] · [[Alpher–Bethe–Gamow_paper]] · [[Helium_atom_scattering]].   *Microsims from the articles linked below:* <div class="wt-simrow"> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/solar/Solar_System.html?obj=trojans&embed=1" data-title="The Jupiter trojans in the Solar System explorer"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Atomic_nucleus.html" data-title="Atomic nucleus"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Chemical_element.html" data-title="Chemical element"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Crystal_structure.html" data-title="Crystal structure"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Heat_transfer.html" data-title="Heat transfer"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/solar/Solar_System.html?view=neighborhood&embed=1" data-title="Out to the nearest star (Solar System explorer)"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/Interstellar_medium.html" data-title="Interstellar medium"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/solar/Solar_System.html?obj=Jupiter&embed=1" data-title="Jupiter in the Solar System explorer"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Lambda_point.html" data-title="Lambda point"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Liquid_helium.html" data-title="Liquid helium"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/solar/Solar_System.html?obj=Moon&embed=1" data-title="The Moon in the Solar System explorer"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Nuclear_fusion.html" data-title="Nuclear fusion"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Phase_(matter).html" data-title="Phase (matter)"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Plasma_(physics).html" data-title="Plasma (physics)"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/acoustics/Resonance.html" data-title="Resonance"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Reynolds_number.html" data-title="Reynolds number"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/solar/Solar_System.html?obj=heliosphere&embed=1" data-title="The edge of the heliosphere in the Solar System explorer"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/acoustics/Speed_of_sound.html" data-title="Speed of sound"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/solar/Solar_System.html?obj=Sun&embed=1" data-title="The Sun in the Solar System explorer"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Thermal_conductivity_and_resistivity.html" data-title="Thermal conductivity and resistivity"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Thermal_expansion.html" data-title="Thermal expansion"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/thury/Turbulence.html" data-title="Turbulence"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/Vapour_pressure_of_water.html" data-title="Vapor pressure"></div> <div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/acoustics/Wave_equation.html" data-title="Wave equation"></div> </div>   ## Canonical link structure — 574 tree-verified children Hub article: [[Helium]] · tree harvested 2026-07-29T23:04:27Z · every entry below is in this hub's harvested child tree (v09-gated). Unbuilt links are intentional forward-refs: the populate scaffold. **0-9** — [[1-K_pot]] · [[1895]] **A** — [[Abiogenic_petroleum_origin]] · [[Abraham_Langlet]] · [[Absolute_zero]] · [[Abundance_of_the_chemical_elements]] · [[Acid]] · [[Actinium]] · [[Activated_carbon]] · [[Act_of_Congress]] · [[Airgas]] · [[Airship]] · [[Air_embolism]] · [[Air_Liquide]] · [[Air_Products]] · [[Alfred_Fowler]] · [[Alkaline_earth_metal]] · [[Alkali_metal]] · [[Alpha_decay]] · [[Alpha_particle]] · [[Aluminium]] · [[Amarillo,_Texas]] · [[American_Institute_of_Physics]] · [[American_National_Biography]] · [[Americium]] · [[Ancient_Greek]] · [[Angstrom]] · [[Annalen_der_Physik]] · [[Antimony]] · [[Apollo_program]] · [[Arc_welding]] · [[Argon]] · [[Argon_fluorohydride]] · [[Arsenic]] · [[ArXiv]] · [[Arzew]] · [[Asphyxiant_gas]] · [[Astatine]] · [[Asteroid]] · [[Astronomische_Nachrichten]] · [[Atmosphere]] · [[Atmosphere_of_Earth]] · [[Atmospheric_escape]] · [[Atom]] · [[Atomic_nucleus]] · [[Atomic_number]] · [[Atomic_orbital]] · [[Atomic_radius]] · [[Aurora]] **B** — [[Balloon]] · [[Barcode_reader]] · [[Barium]] · [[Barotrauma]] · [[Barrage_balloon]] · [[Baryon]] · [[BBC]] · [[BBC_Online]] · [[Berkelium]] · [[Beryllium]] · [[Beryllium-8]] · [[Beta_decay]] · [[Beta_particle]] · [[Bibcode]] · [[Big_Bang]] · [[Big_Bang_nucleosynthesis]] · [[Biman_B._Nath]] · [[Binding_energy]] · [[Birkeland_current]] · [[Bismuth]] · [[Block_(periodic_table)]] · [[Bohrium]] · [[Bohr_model]] · [[Boiling_point]] · [[Bolling_Air_Force_Base]] · [[Boron]] · [[Boron_group]] · [[Bose–Einstein_condensate]] · [[Boson]] · [[Bromine]] · [[Brønsted–Lowry_acid–base_theory]] · [[Bulk_modulus]] · [[Bureau_of_Land_Management]] · [[Bushton,_Kansas]] **C** — [[C-class_blimp]] · [[Cadmium]] · [[Caesium]] · [[Calcium]] · [[Californium]] · [[Cambridge_University_Press]] · [[Carbon]] · [[Carbon_group]] · [[Carbon_tetrafluoride]] · [[Carnotite]] · [[CAS_Registry_Number]] · [[Cerium]] · [[CERN]] · [[Chalcogen]] · [[Chemically_inert]] · [[Chemical_compound]] · [[Chemical_element]] · [[Chemical_symbol]] · [[China]] · [[Chlorine]] · [[Chromium]] · [[Chromosphere]] · [[Classical_physics]] · [[Clathrate_compound]] · [[Cleveite]] · [[Close-packing_of_equal_spheres]] · [[CNO_cycle]] · [[Cobalt]] · [[Cold_War]] · [[Coma]] · [[Combustibility_and_flammability]] · [[Commission_on_Isotopic_Abundances_and_Atomic_Weights]] · [[Compressibility]] · [[Computational_chemistry]] · [[Cooper_pair]] · [[Copernicium]] · [[Copper]] · [[Cosmic_dust]] · [[Cosmology]] · [[Covalent_bond]] · [[Covalent_radius]] · [[Critical_point_(thermodynamics)]] · [[Cryocooler]] · [[Cryogenics]] · [[Crystal]] · [[Crystal_structure]] · [[Cubic_crystal_system]] · [[Curium]] · [[Cyanosis]] **D** — [[Darmstadtium]] · [[David_Lee_(physicist)]] · [[Decay_product]] · [[Deep_diving]] · [[Density]] · [[Dexter,_Kansas]] · [[Diamagnetism]] · [[Diamond_anvil_cell]] · [[Diffusion]] · [[Digital_object_identifier]] · [[Dilution_refrigerator]] · [[Disodium_helide]] · [[Douglas_Osheroff]] · [[Dubnium]] · [[Dysprosium]] **E** — [[Eagle_Point,_Oregon]] · [[East_African_Rift]] · [[Edward_Charles_Pickering]] · [[Edward_Frankland]] · [[Effective_nuclear_charge]] · [[Einsteinium]] · [[Electride]] · [[Electronegativity]] · [[Electron_configuration]] · [[Elsevier]] · [[Emission_spectrum]] · [[Endohedral_fullerene]] · [[Energy_level]] · [[Enthalpy_of_fusion]] · [[Enthalpy_of_vaporization]] · [[Erasmus_Haworth]] · [[Erbium]] · [[Ernest_Rutherford]] · [[Ethan_Siegel]] · [[Etymonline]] · [[Eugene_M._Emme]] · [[Europium]] · [[Evaporative_cooler]] · [[Excimer]] **F** — [[Federal_government_of_the_United_States]] · [[Fermion]] · [[Fermium]] · [[Fire_retardant]] · [[Flerovium]] · [[Fluorine]] · [[Fluorite]] · [[Four_Corners]] · [[Fractional_distillation]] · [[Francium]] · [[Fraunhofer_lines]] · [[Frostbite]] · [[Fullerene]] · [[Fundamental_frequency]] · [[Fusion_rocket]] **G** — [[Gadolinium]] · [[Gallium]] · [[Gallon]] · [[Gas]] · [[Gas-cooled_reactor]] · [[Gas_chromatography]] · [[Gas_tungsten_arc_welding]] · [[Georges_Rayet]] · [[Germanium]] · [[GHS_hazard_pictograms]] · [[GHS_hazard_statements]] · [[GHS_precautionary_statements]] · [[Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals]] · [[Glow_discharge]] · [[Gold]] · [[Goodyear_Blimp]] · [[Gravity]] · [[Gravity_wave]] · [[Great_Plains]] · [[Ground_state]] · [[Group_(periodic_table)]] · [[Group_10_element]] · [[Group_11_element]] · [[Group_12_element]] · [[Group_3_element]] · [[Group_4_element]] · [[Group_5_element]] · [[Group_6_element]] · [[Group_7_element]] · [[Group_8_element]] · [[Group_9_element]] · [[Guntur]] **H** — [[Hafnium]] · [[Half-life]] · [[Halogen]] · [[Halo_nucleus]] · [[Hamilton_Cady]] · [[Hampton_Roads]] · [[Handle_System]] · [[Hard_disk_drive]] · [[Harvard_College_Observatory]] · [[Harvard_University_Press]] · [[Hassium]] · [[Heat_capacity_ratio]] · [[Heat_transfer]] · [[Heike_Kamerlingh_Onnes]] · [[Helios]] · [[Heliox]] · [[Helium-3]] · [[Helium-4]] · [[Helium_(disambiguation)]] · [[Helium_Act_of_1925]] · [[Helium_atom]] · [[Helium_compounds]] · [[Helium_cryogenics]] · [[Helium_dating]] · [[Helium_dimer]] · [[Helium_hydride_ion]] · [[Helium_mass_spectrometer]] · [[Helium_Privatization_Act_of_1996]] · [[Helium_production_in_the_United_States]] · [[Helium_storage_and_conservation]] · [[Helium–neon_laser]] · [[Helsinki_University_of_Technology]] · [[Heterosphere]] · [[Hexagonal_crystal_family]] · [[High-pressure_nervous_syndrome]] · [[Hindenburg_disaster]] · [[Historical_Studies_in_the_Natural_Sciences]] · [[Holmium]] · [[Hugoton_Gas_Field]] · [[Human_voice]] · [[Hydrogen]] · [[Hydrogen_atom]] **I** — [[Ideal_gas]] · [[Impulse_facility]] · [[Imre_Lakatos]] · [[Indium]] · [[Inert_gas]] · [[Insulator_(electricity)]] · [[International_Temperature_Scale_of_1990]] · [[Interstellar_medium]] · [[Iodine]] · [[Ion]] · [[Ionization_energy]] · [[Iridium]] · [[Iron]] · [[ISBN]] · [[Isotope]] · [[Isotopes_of_helium]] · [[ISSN]] **J** — [[Joule_per_mole]] · [[Joule–Thomson_effect]] · [[Journal_of_the_American_Chemical_Society]] · [[JSTOR]] · [[Jupiter]] **K** — [[Kainosymmetry]] · [[Kansas]] · [[Krypton]] **L** — [[Lambda_point]] · [[Laminar_flow]] · [[Lanthanum]] · [[Large_Hadron_Collider]] · [[Laser_diode]] · [[Laser_pointer]] · [[Lawrencium]] · [[Lead]] · [[Leak]] · [[Leak_detection]] · [[Leidenfrost_effect]] · [[Lens]] · [[Lifting_gas]] · [[Liquefaction_of_gases]] · [[Liquid_helium]] · [[Liquid_nitrogen]] · [[List_of_chemical_element_name_etymologies]] · [[List_of_data_references_for_chemical_elements]] · [[List_of_Greek_deities]] · [[Literal_translation]] · [[Lithium]] · [[Lithium_helide]] · [[Lithosphere]] · [[Livermorium]] · [[Luigi_Palmieri]] · [[Lutetium]] **M** — [[Macroscopic_quantum_phenomena]] · [[Magnesium]] · [[Magnetic_resonance_imaging]] · [[Magnetic_susceptibility]] · [[Magnetism]] · [[Magnetosphere]] · [[Manganese]] · [[Manhattan_Project]] · [[Mantle_(geology)]] · [[Mass_number]] · [[Matter]] · [[Max_Planck_Institute_for_Gravitational_Physics]] · [[Meitnerium]] · [[Melting_point]] · [[Mendelevium]] · [[Mercury_(element)]] · [[Meteoric_iron]] · [[Methane]] · [[Metre_per_second]] · [[Molar_heat_capacity]] · [[Molybdenum]] · [[Monatomic_gas]] · [[Monazite]] · [[Monazite-(Ce)]] · [[Monthly_Notices_of_the_Royal_Astronomical_Society]] · [[Moon]] · [[Moscovium]] · [[Mount_Vesuvius]] **N** — [[N._R._Pogson]] · [[Nadia_Robotti]] · [[Nanometre]] · [[NASA]] · [[National_Helium_Reserve]] · [[National_Weather_Service]] · [[Natural_abundance]] · [[Natural_gas]] · [[Nature_(journal)]] · [[Naval_Aircraft_Factory]] · [[Neodymium]] · [[Neon]] · [[Neptunium]] · [[NFPA_704]] · [[Nickel]] · [[Niels_Bohr]] · [[Nihonium]] · [[Ningxia]] · [[Niobium]] · [[Nitrogen]] · [[Nitrogen_narcosis]] · [[Nobelium]] · [[Noble_gas]] · [[Norman_Lockyer]] · [[Nuclear_astrophysics]] · [[Nuclear_binding_energy]] · [[Nuclear_drip_line]] · [[Nuclear_fusion]] · [[Nuclear_magnetic_resonance]] · [[Nuclear_magnetic_resonance_spectroscopy]] · [[Nuclear_reaction]] · [[Nuclear_shell_model]] · [[Nucleon]] · [[Nucleosynthesis]] **O** — [[OCLC]] · [[Octafluorocyclobutane]] · [[Oganesson]] · [[Oklahoma]] · [[Osmium]] · [[Oxidation_state]] · [[Oxygen]] **P** — [[Palladium]] · [[Particle_statistics]] · [[Parts-per_notation]] · [[Pascal_(unit)]] · [[Pat_Munday]] · [[Periodic_table]] · [[Periodic_Videos]] · [[Period_(periodic_table)]] · [[Period_1_element]] · [[Period_2_element]] · [[Period_3_element]] · [[Period_4_element]] · [[Period_5_element]] · [[Period_6_element]] · [[Period_7_element]] · [[Per_Teodor_Cleve]] · [[Petroleum_reservoir]] · [[Phase_(matter)]] · [[Philosophical_Magazine]] · [[Phosphorus]] · [[Physics_Today]] · [[Pickering_series]] · [[Picometre]] · [[Pierre_Janssen]] · [[Pitch_(music)]] · [[Plasma_(physics)]] · [[Platinum]] · [[Plutonium]] · [[Pnictogen]] · [[Polonium]] · [[Polystyrene]] · [[Potassium]] · [[Prandtl_number]] · [[Praseodymium]] · [[Primordial_nuclide]] · [[Promethium]] · [[Protactinium]] · [[Proton–proton_chain]] · [[PubMed]] · [[PubMed_Central]] · [[Pyotr_Kapitsa]] **Q** — [[Qatar]] · [[QatarEnergy_LNG]] · [[Qatar_diplomatic_crisis]] · [[Quantum_mechanics]] **R** — [[Radioactive_decay]] · [[Radiogenic_nuclide]] · [[Radium]] · [[Radon]] · [[Rare-earth_element]] · [[Ras_Laffan_Industrial_City]] · [[Refractive_index]] · [[Regolith]] · [[Relative_atomic_mass]] · [[Resonance]] · [[Reynolds_number]] · [[Rhenium]] · [[Rhodium]] · [[Richard_Threlfall]] · [[Robert_Coleman_Richardson]] · [[Rocket]] · [[Rocket_propellant]] · [[Roentgenium]] · [[Rollin_film]] · [[Romanization_of_Greek]] · [[Room_temperature]] · [[Rubidium]] · [[Ruthenium]] · [[Rutherfordium]] **S** — [[Salient_(geography)]] · [[Samarium]] · [[San_Juan_County,_New_Mexico]] · [[Saturn_V]] · [[Scandium]] · [[Seaborgium]] · [[Second_sound]] · [[Selenium]] · [[Semantic_Scholar]] · [[Semipermeable_membrane]] · [[Shielding_gas]] · [[Silicon]] · [[Silver]] · [[Sintering]] · [[Skikda]] · [[Sodium]] · [[Solar_eclipse_of_August_18,_1868]] · [[Solar_thermal_collector]] · [[Solar_wind]] · [[Solubility]] · [[Space_Race]] · [[Space_vehicle]] · [[Specific_heat_capacity]] · [[Spectral_band]] · [[Spectral_line]] · [[Speed_of_sound]] · [[Spring_(hydrology)]] · [[Stable_nuclide]] · [[Standard_atomic_weight]] · [[Standard_cubic_foot]] · [[Standard_temperature_and_pressure]] · [[Star]] · [[Star_Planet]] · [[Stellar_nucleosynthesis]] · [[Strontium]] · [[Sublimation_(phase_transition)]] · [[Sulfur]] · [[Sulfuric_acid]] · [[Sulfur_hexafluoride]] · [[Sun]] · [[Superconducting_magnet]] · [[Superconductivity]] · [[Superfluidity]] · [[Superfluid_helium-4]] · [[Supersonic_wind_tunnel]] **T** — [[Tantalum]] · [[Technetium]] · [[Telescope]] · [[Tellurium]] · [[Temperature]] · [[Tennessine]] · [[Terbium]] · [[Tethered_balloon]] · [[Texas]] · [[Thallium]] · [[Thermal_conductivity_and_resistivity]] · [[Thermal_diffusivity]] · [[Thermal_energy]] · [[Thermal_expansion]] · [[Thermoacoustic_heat_engine]] · [[The_Astrophysical_Journal]] · [[The_Kansas_City_Star]] · [[Thomas_Royds]] · [[Thorium]] · [[Three-body_problem]] · [[Thulium]] · [[Timbre]] · [[Timeline_of_chemical_element_discoveries]] · [[Time_(magazine)]] · [[Tin]] · [[Titanium]] · [[Tonne]] · [[Tracer-gas_leak_testing]] · [[Trimix_(breathing_gas)]] · [[Triple-alpha_process]] · [[Triple_point]] · [[Tritium]] · [[Tungsten]] · [[Turbulence]] · [[TV_Asahi]] **U** — [[Ullage]] · [[United_States_Bureau_of_Mines]] · [[United_States_Congress]] · [[United_States_Department_of_the_Interior]] · [[United_States_Navy]] · [[United_States_Senate]] · [[Universe]] · [[University_College_London]] · [[University_of_Alberta]] · [[University_of_Kansas]] · [[Uppsala]] · [[Uraninite]] · [[Uranium]] · [[USS_Shenandoah_(ZR-1)]] **V** — [[Vacuum_flask]] · [[Valence_(chemistry)]] · [[Valence_and_conduction_bands]] · [[Vanadium]] · [[Van_der_Waals_force]] · [[Van_der_Waals_molecule]] · [[Van_der_Waals_radius]] · [[Vapor_pressure]] · [[Viscosity]] · [[Vocal_tract]] · [[Voltage]] **W** — [[Wafer_(electronics)]] · [[Wavelength]] · [[Wave_equation]] · [[Wayback_Machine]] · [[Welding]] · [[Willem_Hendrik_Keesom]] · [[Williamina_Fleming]] · [[William_Crookes]] · [[William_Francis_Hillebrand]] · [[William_Ramsay]] · [[Wolf–Rayet_star]] · [[Wyoming]] **X** — [[Xenon]] **Y** — [[Ytterbium]] · [[Yttrium]] **Z** — [[Zeppelin]] · [[Zero-point_energy]] · [[Zeta_Puppis]] · [[Zinc]] · [[Zirconium]] ## Route objects (§10.3 stubs — placeholders declared in `_registry/firebase/`) - **microsim** — `microsim/{library}/Helium__{YYYYMMDD}T{HHMM}Z/` - **songs** — `songs/{Band_name}/{Song_name}/Helium/` - **semiotics** — `semiotics/{authorizer}/{set}/{Song_name}/{audio_video_id}/Helium/` - **cardset** — `cardset/{authorizer}/{set}/Helium/` - **games** — `games/quizzes/Helium/` - **channel_stream** — `channel_stream/Helium/` - **transcripts** — `transcripts/{audio_video_id}/Helium/` Hub + children route keys are pre-declared in `_registry/firebase/expansion_matches.csv` (54,000 Related Wikipedia Matches). Minting any leaf passes §10.1 registration.  --- *Repopulated 2026-09-19 · append-only · source: _tools/generate/g34_portal_section_sims.py@36068b13 (players of the linked articles, each URL 200-checked) · 2 added · 0 deletions*