{"query": "Diode — the exponential gate", "count": 20, "results": [{"id": "card_n_0fa594da0bff", "title": "Diode — the exponential gate", "shelf": "science", "surface": "secular", "snippet": "The diode's current grows exponentially with voltage; sealed exactly: e^(x+ln2) = 2e^x —\ncurrent DOUBLES for every ln2·nVT of forward voltage, ≈ 17.9 mV at room temperature (sealed:\nfloor(10⁴·ln2·0.02", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_theory_condensed_matter", "title": "Condensed matter & semiconductors (band theory and the transistor)", "shelf": "theories", "surface": "secular", "snippet": "Condensed matter & semiconductors (band theory and the transistor) — an engine domain that can touch it: materials_science. Calibration: map-only — band gaps and carrier concentrations compute; the fi", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_ohm_s_law_circuit_theory", "title": "Ohm's law & circuit theory (Kirchhoff)", "shelf": "theories", "surface": "secular", "snippet": "Ohm's law & circuit theory (Kirchhoff) — an engine domain that can touch it: electrical. Calibration: seals — voltages, currents and power all compute directly. V = IR, plus Kirchhoff's two rules: cur", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_sys_entropy_arrow", "title": "The arrow of time — the root of every one-way form", "shelf": "systems", "surface": "secular", "snippet": "Why can any path run one way and not the other? Because the world itself does. The second law of thermodynamics: in an isolated system entropy does not spontaneously decrease (dS ≥ 0) — heat flows hot", "authority_tier": "reference", "source": "The recurring form — the system analogies (standard engineering) + the design they witness to", "readable": false, "generated": false}, {"id": "card_n_cdb747a427d2", "title": "Electronics — the resonant chain, from Ohm's law to the radio wave", "shelf": "science", "surface": "secular", "snippet": "One sealed chain runs the whole bench: Ohm's law (V = I·R), the capacitor's\nexponential clock (one time constant → 63.2% charged), the diode's exponential gate (current\ndoubles every ln2·nVT ≈ 17.9 mV", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "readable": false, "generated": false}, {"id": "card_sys_keeping_diode", "title": "The keeping's diode — the map built as the form it maps", "shelf": "systems", "surface": "secular", "snippet": "The engine itself is built as a rectifier, and this is the demonstration. Its craft cuts every card body OUT of anchored source bytes — card_from_span(sha, start, end) has no parameter through which c", "authority_tier": "reference", "source": "The recurring form — the system analogies (standard engineering) + the design they witness to", "readable": false, "generated": false}, {"id": "card_src_word_semiconductor_diode", "title": "semiconductor diode", "shelf": "dictionary", "surface": "secular", "snippet": "semiconductor diode: (noun) a semiconductor that consists of a p-n junction — syn: diode, junction rectifier, crystal rectifier", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_diode", "title": "diode", "shelf": "dictionary", "surface": "secular", "snippet": "diode: (noun) a thermionic tube having two electrodes; used as a rectifier — syn: rectifying tube, rectifying valve · (noun) a semiconductor that consists of a p-n junction — syn: semiconductor diode,", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_light_emitting_diode", "title": "light-emitting diode", "shelf": "dictionary", "surface": "secular", "snippet": "light-emitting diode: (noun) diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used — syn: LED", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_organic_light_emitting_diode", "title": "organic light-emitting diode", "shelf": "dictionary", "surface": "secular", "snippet": "organic light-emitting diode: (noun) a self-luminous diode (it glows when an electrical field is applied to the electrodes) that does not require backlighting or diffusers — syn: OLED", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_pron_diodes", "title": "diodes", "shelf": "pronunciation", "surface": "secular", "snippet": "diodes: pronounced (ARPABET) D AY1 OW2 D Z. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "readable": false, "generated": false}, {"id": "card_c_2ae5fa072760", "title": "Diode — the exponential gate ↔ Electronics — the resonant chain, from Ohm's", "shelf": "connections", "surface": null, "snippet": "That knife-edge nonlinearity is why a diode can rectify — turn a symmetric radio wave into a one-way signal.  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_src_pron_diode", "title": "diode", "shelf": "pronunciation", "surface": "secular", "snippet": "diode: pronounced (ARPABET) D AY1 OW2 D. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "readable": false, "generated": false}, {"id": "card_c_547436596e63", "title": "Diode — the exponential gate ↔ Capacitor — the exponential clock (RC time c", "shelf": "connections", "surface": null, "snippet": "The diode's current grows exponentially with voltage; sealed exactly: e^(x+ln2) = 2e^x — current DOUBLES for every ln2·nVT of forward voltage  — a concord the card itself states; mined + verified.", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_sys_diode", "title": "The diode — the electronic rectifier (Edison effect to pn-junction)", "shelf": "systems", "surface": "secular", "snippet": "Edison, 1883: current crossed the vacuum from a hot filament to a cold plate, but NOT the other way — the 'Edison effect', the first observed electronic rectifier. Fleming made it a device (the thermi", "authority_tier": "reference", "source": "The recurring form — the system analogies (standard engineering) + the design they witness to", "readable": false, "generated": false}, {"id": "card_src_word_crystal_rectifier", "title": "crystal rectifier", "shelf": "dictionary", "surface": "secular", "snippet": "crystal rectifier: (noun) a semiconductor that consists of a p-n junction — syn: diode, semiconductor diode, junction rectifier", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_junction_rectifier", "title": "junction rectifier", "shelf": "dictionary", "surface": "secular", "snippet": "junction rectifier: (noun) a semiconductor that consists of a p-n junction — syn: diode, semiconductor diode, crystal rectifier", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_c_49411cccab5a", "title": "Logarithms — multiplication made addition, a ↔ Diode — the exponential gate", "shelf": "connections", "surface": null, "snippet": "the capacitor's RC clock, radioactive decay, compound interest, the diode's curve all rise by multiplying; the logarithm brings them back by adding.  — a concord the card itself states; mined + verifi", "authority_tier": "engine_derived", "source": "Concordance miner — 2026-07-11", "readable": false, "generated": false}, {"id": "card_src_word_led", "title": "led", "shelf": "dictionary", "surface": "secular", "snippet": "led: (noun) diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used — syn: light-emitting diode", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_src_word_oled", "title": "oled", "shelf": "dictionary", "surface": "secular", "snippet": "oled: (noun) a self-luminous diode (it glows when an electrical field is applied to the electrodes) that does not require backlighting or diffusers — syn: organic light-emitting diode", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "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_n_0fa594da0bff"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}