The canonical spine of [[Fault_tree_analysis]]: its full tree-verified child structure, publishable to
Obsidian as the scaffold for route objects (microsims, songs, semiotics, cardsets, games,
streams, transcripts) keyed to this hub.
<!-- SIMGALLERY:BEGIN v1.0 g13 — generated iframe set; do not hand-edit inside -->
## Play every microsim on this page
<p class="microsim-gallery-note">Every microsim linked from this portal, embedded live. <strong>16 players</strong> — 11 threejs · 5 p5js. 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/Complex_system.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Complex system — threejs microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Complex_system">Complex system</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Complex_system.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/Failure_mode_and_effects_analysis.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Failure mode and effects analysis — threejs microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Failure_mode_and_effects_analysis">Failure mode and effects analysis</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Failure_mode_and_effects_analysis.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/polytope4d.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Four-dimensional polytopes — threejs microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!Three_js_Microsim_Master_Class">Four-dimensional polytopes</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/polytope4d.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/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/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/Reliability_engineering.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Reliability engineering — threejs microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Reliability_engineering">Reliability engineering</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Reliability_engineering.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/HVNGd9nMv" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Histogram — p5js microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/WT!P5_js_Microsim_Master_Class">Histogram</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/HVNGd9nMv" 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/S9b-es6n-" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Logic gate — p5js microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Logic_gate">Logic gate</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/S9b-es6n-" 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/IP0wqoced" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="United States Air Force — p5js microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/United_States_Air_Force">United States Air Force</a></div><div class="ms-sub">p5js · <a href="https://editor.p5js.org/sciencenibber/full/IP0wqoced" target="_blank" rel="noopener">open in the p5 editor</a></div></div>
</li>
<li class="microsim-card" data-lib="threejs">
<iframe src="https://wikitube-3d-microsims.netlify.app/Air_traffic_control.html" loading="lazy" frameborder="0" sandbox="allow-scripts allow-same-origin" title="Air Traffic Control — threejs microsim"></iframe>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Air_traffic_control">Air Traffic Control</a></div><div class="ms-sub">threejs · <a href="https://wikitube-3d-microsims.netlify.app/Air_traffic_control.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>Binary_number.html</code></div>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Binary_number">Controls -> what each maps to</a></div><div class="ms-sub">threejs · awaiting CDN deploy · on <a href="https://en.wikitube.io/wiki/Binary_number">Binary number</a></div></div>
</li>
<li class="microsim-card is-pending" data-lib="threejs">
<div class="ms-placeholder">Staged, not yet deployed — <code>Deductive_reasoning.html</code></div>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Deductive_reasoning">Controls -> what each maps to</a></div><div class="ms-sub">threejs · awaiting CDN deploy · on <a href="https://en.wikitube.io/wiki/Deductive_reasoning">Deductive reasoning</a></div></div>
</li>
<li class="microsim-card is-pending" data-lib="threejs">
<div class="ms-placeholder">Staged, not yet deployed — <code>Inductive_reasoning.html</code></div>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Inductive_reasoning">Controls -> what each maps to</a></div><div class="ms-sub">threejs · awaiting CDN deploy · on <a href="https://en.wikitube.io/wiki/Inductive_reasoning">Inductive reasoning</a></div></div>
</li>
<li class="microsim-card is-pending" data-lib="threejs">
<div class="ms-placeholder">Staged, not yet deployed — <code>Set_theory.html</code></div>
<div class="ms-meta"><div class="ms-title"><a href="https://en.wikitube.io/wiki/Set_theory">Controls -> what each maps to</a></div><div class="ms-sub">threejs · awaiting CDN deploy · on <a href="https://en.wikitube.io/wiki/Set_theory">Set theory</a></div></div>
</li>
</ul>
<!-- SIMGALLERY:END -->
<!-- CRAFT-LINK:START g12 -->
**Craft standard:** Both craft standards apply here — [[WT!Three_js_Microsim_Master_Class|three.js]] and [[WT!P5_js_Microsim_Master_Class|p5.js]].
<!-- CRAFT-LINK:END -->
<!-- SECTIONSIMS:BEGIN g34 2026-09-19 - microsims the articles linked here play; generated by _tools/generate/g34_portal_section_sims.py; do not hand-edit inside -->
*Microsims from the articles linked below:*
<div class="wt-sim" data-src="https://wikitube-3d-microsims.netlify.app/matter/Nuclear_reactor.html" data-title="Nuclear reactor"></div>
<!-- SECTIONSIMS:END -->
<!-- TREEGEN:BEGIN v1.4 src=_registry/linktree/Fault_tree_analysis.json harvested=2026-07-29T22:51:23Z children=86 — generated by g01_hub_portals.py; do not hand-edit inside this block -->
## Canonical link structure — 86 tree-verified children
Hub article: [[Fault_tree_analysis]] · tree harvested 2026-07-29T22:51:23Z · every entry below is in this hub's harvested
child tree (v09-gated). Unbuilt links are intentional forward-refs: the populate scaffold.
**0-9** — [[526th_Intercontinental_Ballistic_Missile_Systems_Group]]
**A** — [[Aerospace]] · [[Aircraft]] · [[Aircraft_systems]] · [[Airworthiness]] · [[Air_traffic_control]] · [[Algebra_of_sets]] · [[Apollo_program]] · [[ARP4761]] · [[Avco]]
**B** — [[Bell_Labs]] · [[Bhopal_disaster]] · [[Binary_number]] · [[Boeing]] · [[Boolean_algebra]]
**C** — [[Civil_aviation]] · [[Code_of_Federal_Regulations]] · [[Complex_system]] · [[Computer_program]]
**D** — [[Deductive_reasoning]] · [[Defense_Technical_Information_Center]] · [[Digital_object_identifier]]
**E** — [[Electric_Power_Research_Institute]] · [[Event_tree]] · [[Event_tree_analysis]]
**F** — [[Failure_analysis]] · [[Failure_mode_and_effects_analysis]] · [[Failure_rate]] · [[Federal_Aviation_Administration]] · [[Federal_Register]] · [[Free_software]]
**H** — [[Hazard_analysis]]
**I** — [[Idaho_National_Laboratory]] · [[Independence_(probability_theory)]] · [[Inductive_reasoning]] · [[Intercontinental_ballistic_missile]] · [[International_Electrotechnical_Commission]] · [[International_Space_Station]] · [[ISBN]] · [[Ishikawa_diagram]]
**L** — [[LGM-30_Minuteman]] · [[Logic_gate]]
**M** — [[Markov_chain]] · [[Medication]] · [[Methodology]] · [[Mutual_exclusivity]]
**N** — [[NASA]] · [[National_Airspace_System]] · [[Nuclear_power]] · [[Nuclear_reactor]] · [[Nuclear_Regulatory_Commission]]
**O** — [[Occupational_Safety_and_Health_Administration]]
**P** — [[Petrochemical]] · [[Picatinny_Arsenal]] · [[Piper_Alpha]] · [[Poisson_point_process]] · [[Probabilistic_risk_assessment]] · [[Probability_theory]] · [[Process_hazard_analysis]] · [[Process_manufacturing]] · [[Process_safety_management]] · [[Public_domain]] · [[PubMed]]
**R** — [[Reliability_block_diagram]] · [[Reliability_engineering]] · [[Rome_Laboratory]] · [[Root-cause_analysis]]
**S** — [[SAE_International]] · [[Safety_engineering]] · [[SAPHIRE]] · [[Seattle]] · [[Semantic_Scholar]] · [[Set_theory]] · [[Social_Science_Research_Network]] · [[Social_services]] · [[Space_Shuttle]] · [[Statistics]] · [[System_safety]]
**T** — [[Three_Mile_Island_accident]] · [[Transport_category]]
**U** — [[United_States_Air_Force]] · [[United_States_Army_Materiel_Command]] · [[United_States_Department_of_Defense]] · [[United_States_Department_of_Labor]] · [[University_of_Washington]]
**W** — [[Why–because_analysis]]
## Route objects (§10.3 stubs — placeholders declared in `_registry/firebase/`)
- **microsim** — `microsim/{library}/Fault_tree_analysis__{YYYYMMDD}T{HHMM}Z/`
- **songs** — `songs/{Band_name}/{Song_name}/Fault_tree_analysis/`
- **semiotics** — `semiotics/{authorizer}/{set}/{Song_name}/{audio_video_id}/Fault_tree_analysis/`
- **cardset** — `cardset/{authorizer}/{set}/Fault_tree_analysis/`
- **games** — `games/quizzes/Fault_tree_analysis/`
- **channel_stream** — `channel_stream/Fault_tree_analysis/`
- **transcripts** — `transcripts/{audio_video_id}/Fault_tree_analysis/`
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.
<!-- TREEGEN:END -->
---
*Repopulated 2026-09-19 · append-only · source: _tools/generate/g34_portal_section_sims.py@36068b13 (players of the linked articles, each URL 200-checked) · 1 added · 0 deletions*