{"query": "Decay - the half-life and tunnelling", "count": 7, "results": [{"id": "card_nuclear_decay", "title": "Decay - the half-life and tunnelling", "shelf": "codex", "surface": "secular", "snippet": "Unstable nuclei decay exponentially (sealed); alpha decay is quantum tunnelling through the barrier.", "authority_tier": "engine_derived", "source": "Narrow Highway — nuclear", "readable": false, "generated": false}, {"id": "card_n_cfb57dd6b005", "title": "Radioactive decay — the exponential clock of matter", "shelf": "science", "surface": "secular", "snippet": "Sealed in-domain: after one half-life exactly half remains; after two, exactly one\nquarter (2^(−2) = 1/4, exact); carbon-14's decay constant is ln2/5730 years = 3.833×10⁻¹²\nper second: https://narrowh", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_n_cda0b1e1a364", "title": "Fusion — why the stars shine", "shelf": "science", "surface": "secular", "snippet": "Four hydrogens weigh more than one helium; the difference is sunlight. Sealed from\nthe measured masses: 4·m(H) − m(He-4) = 0.0287 u → 26.73 MeV per helium forged: https://narrowhighway.com/s/8a5e89ab1", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_n_810d857d886e", "title": "Madelung hydrodynamics — quantum mechanics as a probability fluid", "shelf": "science", "surface": "secular", "snippet": "Write ψ = √ρ·e^(iS/ħ) and the Schrödinger equation becomes fluid dynamics of the probability\ndensity ρ = |ψ|²: a continuity equation with velocity v = ∇S/m, plus an Euler equation carrying a\n'quantum ", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-08", "readable": false, "generated": false}, {"id": "card_floor_nuclear_physics", "title": "Nuclear physics — binding, decay, and the strong force", "shelf": "codex", "surface": "secular", "snippet": "The nucleus is held by the strong force against electric repulsion; mass converts to binding energy at 931.5 MeV/amu; unstable nuclei decay on a half-life. Pillars rest on the Standard Model (the stro", "authority_tier": "engine_derived", "source": "Narrow Highway — nuclear", "readable": false, "generated": false}, {"id": "card_c_7218a5b11532", "title": "Fusion — why the stars shine ↔ Radioactive decay — the exponential clock of", "shelf": "connections", "surface": null, "snippet": "the RATE (why the sun burns slowly instead of exploding) is quantum tunnelling through the Coulomb wall — empirical cross-sections, the reason fusion power is hard and stars are patient.  — a concord ", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_c_82914d8d0b24", "title": "Fusion — why the stars shine ↔ The nucleus — the strongest glue and the slo", "shelf": "connections", "surface": null, "snippet": "4·m(H) − m(He-4) = 0.0287 u → 26.73 MeV per helium forged ... the ENERGY seals from the mass tables; the RATE ... is quantum tunnelling through the Coulomb wall  — a concord the card itself states; mi", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_nuclear_decay"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}