{"query": "Radio-wave production — the chain leaves the bench", "count": 20, "results": [{"id": "card_n_73d989606f90", "title": "Radio-wave production — the chain leaves the bench", "shelf": "science", "surface": "secular", "snippet": "Drive an antenna with the oscillator and the wave departs at c: λ = c/f — sealed:\nthe 1.591 MHz LC wave is ≈ 188 m long (floor(c·2π·10⁻⁷) = 188): https://narrowhighway.com/s/1ee0d3ed486453eee0967146a5"}, {"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"}, {"id": "card_src_word_radio_wave", "title": "radio wave", "shelf": "dictionary", "surface": "secular", "snippet": "radio wave: (noun) an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m — syn: radio emission, radio radiation"}, {"id": "card_c_d931ef4a580f", "title": "Radio-wave production — the chain leaves the ↔ Schumann resonance — the Earth-ionosphere ca", "shelf": "connections", "surface": null, "snippet": "Scale the cavity up from the bench to the planet and the same physics is the Schumann resonance: lightning the oscillator, the Earth-ionosphere gap the tuned circuit.  — a concord the card itself stat"}, {"id": "card_c_af8758191b5b", "title": "Schumann resonance — the Earth-ionosphere ca ↔ Radio-wave production — the chain leaves the", "shelf": "connections", "surface": null, "snippet": "a Schumann receiver just a coil and an amplifier — resonance, radio-wave production, the largest instrument on Earth  — a concord the card itself states; mined + verified."}, {"id": "card_src_word_radio_emission", "title": "radio emission", "shelf": "dictionary", "surface": "secular", "snippet": "radio emission: (noun) an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m — syn: radio wave, radio radiation"}, {"id": "card_src_word_radio_radiation", "title": "radio radiation", "shelf": "dictionary", "surface": "secular", "snippet": "radio radiation: (noun) an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m — syn: radio wave, radio emission"}, {"id": "card_src_word_hertzian_wave", "title": "hertzian wave", "shelf": "dictionary", "surface": "secular", "snippet": "hertzian wave: (noun) a former name for a radio wave; an electromagnetic wave of radio frequency generated by oscillations in an electric circuit"}, {"id": "card_n_51ecbfa0bb5a", "title": "The radio spectrum — one law from the cavity to the eye", "shelf": "science", "surface": "secular", "snippet": "Walk the dial upward and nothing changes but the number: λ·f = c the whole\nway. Twelve rungs sealed in ONE receipt: https://narrowhighway.com/s/d6211f4efb2518c6de145decf57f27b131a01c24ce7841853f395b7b"}, {"id": "card_c_b94b0e3c6dfb", "title": "Radio-wave production — the chain leaves the ↔ Oscillator — LC resonance, the bench's own S", "shelf": "connections", "surface": null, "snippet": "Drive an antenna with the oscillator and the wave departs at c: λ = c/f — sealed:\nthe 1.591 MHz LC wave is ≈ 188 m long (floor(c·2π·10⁻⁷) = 188)  — a concord the card itself states; mined + verified."}, {"id": "card_src_word_standing_wave", "title": "standing wave", "shelf": "dictionary", "surface": "secular", "snippet": "standing wave: (noun) a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one point to that at any other point "}, {"id": "card_src_word_stationary_wave", "title": "stationary wave", "shelf": "dictionary", "surface": "secular", "snippet": "stationary wave: (noun) a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one point to that at any other poin"}, {"id": "card_c_4ac8523fa357", "title": "Radio-wave production instantiates the resonant chain", "shelf": "connections", "surface": null, "snippet": "One component of the sealed Ohm-to-radio chain."}, {"id": "card_src_word_traveling_wave", "title": "traveling wave", "shelf": "dictionary", "surface": "secular", "snippet": "traveling wave: (noun) a wave in which the medium moves in the direction of propagation of the wave — syn: travelling wave"}, {"id": "card_src_word_travelling_wave", "title": "travelling wave", "shelf": "dictionary", "surface": "secular", "snippet": "travelling wave: (noun) a wave in which the medium moves in the direction of propagation of the wave — syn: traveling wave"}, {"id": "card_c_124f83f7a6fc", "title": "Radio-wave production — the chain leaves the ↔ AM broadcast (medium wave) — where the dial ", "shelf": "connections", "surface": null, "snippet": "A half-wave dipole\nfor it spans ~94 m — which is why AM stations use towers and crystal radios use long wires.  — a concord the card itself states; mined + verified."}, {"id": "card_src_word_radio_brightness", "title": "radio brightness", "shelf": "dictionary", "surface": "secular", "snippet": "radio brightness: (noun) the strength of a radio wave picked up by a radio telescope"}, {"id": "card_c_2bdcd43948f0", "title": "The spectrum walk extends radio-wave production across thirteen octaves", "shelf": "connections", "surface": null, "snippet": "The electronics chain launches the wave; the walk follows it from the cavity to the eye."}, {"id": "card_src_word_ride_the_bench", "title": "ride the bench", "shelf": "dictionary", "surface": "secular", "snippet": "ride the bench: (verb) be out of the game — syn: warm the bench"}, {"id": "card_src_word_warm_the_bench", "title": "warm the bench", "shelf": "dictionary", "surface": "secular", "snippet": "warm the bench: (verb) be out of the game — syn: ride the bench"}]}