{"query": "Build a Crystal Radio", "count": 20, "results": [{"id": "card_n_072d00893a26", "title": "Build a Crystal Radio", "shelf": "maker", "surface": "secular", "snippet": "A working radio with no batteries — runs on the energy of the radio waves themselves. The first DIY electronics project a generation of American kids built."}, {"id": "card_c_m_7a4af53535b7", "title": "Replace a Faucet Washer shelf anchor Build a Crystal Radio", "shelf": "connections", "surface": "secular", "snippet": "Replace a Faucet Washer shelf anchor Build a Crystal Radio."}, {"id": "card_c_m_4e3ba0b8b38f", "title": "Sew On a Button shelf anchor Build a Crystal Radio", "shelf": "connections", "surface": "secular", "snippet": "Sew On a Button shelf anchor Build a Crystal Radio."}, {"id": "card_c_m_077059154c39", "title": "Make a Newspaper Kite shelf anchor Build a Crystal Radio", "shelf": "connections", "surface": "secular", "snippet": "Make a Newspaper Kite shelf anchor Build a Crystal Radio."}, {"id": "card_c_m_e4187340fd34", "title": "Bake Bread from Scratch shelf anchor Build a Crystal Radio", "shelf": "connections", "surface": "secular", "snippet": "Bake Bread from Scratch shelf anchor Build a Crystal Radio."}, {"id": "card_c_m_b5e3cb320ff3", "title": "Press and Mount Wildflowers shelf anchor Build a Crystal Radio", "shelf": "connections", "surface": "secular", "snippet": "Press and Mount Wildflowers shelf anchor Build a Crystal Radio."}, {"id": "card_c_m_41722b19f045", "title": "Build a Crystal Radio shelf anchor Tie the Six Essential Knots", "shelf": "connections", "surface": "secular", "snippet": "Build a Crystal Radio shelf anchor Tie the Six Essential Knots."}, {"id": "card_c_m_bba34c658c4c", "title": "Start a Vegetable Garden from Seeds shelf anchor Build a Crystal Radio", "shelf": "connections", "surface": "secular", "snippet": "Start a Vegetable Garden from Seeds shelf anchor Build a Crystal Radio."}, {"id": "card_src_book_73845", "title": "Vision by radio, radio photographs, radio photograms — C. Francis (Charles Francis) Jenkins", "shelf": "gutenberg", "surface": "secular", "snippet": "Vision by radio, radio photographs, radio photograms, by C. Francis (Charles Francis) Jenkins. Subjects: Phototelegraphy. Read the full text (public domain): https://www.gutenberg.org/ebooks/73845"}, {"id": "card_src_book_26622", "title": "How to Read the Crystal; or, Crystal and Seer — Sepharial", "shelf": "gutenberg", "surface": "secular", "snippet": "How to Read the Crystal; or, Crystal and Seer, by Sepharial. Subjects: Crystal gazing. Read the full text (public domain): https://www.gutenberg.org/ebooks/26622"}, {"id": "card_src_book_11861", "title": "Radio Boys Cronies; Or, Bill Brown's Radio — Wayne Whipple", "shelf": "gutenberg", "surface": "secular", "snippet": "Radio Boys Cronies; Or, Bill Brown's Radio, by Wayne Whipple. Subjects: Boys -- Juvenile fiction; Radio -- Juvenile fiction; Inventors -- Juvenile fiction; New York (State) -- Juvenile fiction. Read t"}, {"id": "card_c_677eefd6b57a", "title": "Oscillator — LC resonance, the bench's own S ↔ Build a Crystal Radio", "shelf": "connections", "surface": null, "snippet": "This is the crystal radio's tuner and every radio's local oscillator.  — a concord the card itself states; mined + verified."}, {"id": "card_src_word_radio_aerial", "title": "radio aerial", "shelf": "dictionary", "surface": "secular", "snippet": "radio aerial: (noun) omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received — syn: radio antenna"}, {"id": "card_src_word_radio_antenna", "title": "radio antenna", "shelf": "dictionary", "surface": "secular", "snippet": "radio antenna: (noun) omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received — syn: radio aerial"}, {"id": "card_src_word_crystal_set", "title": "crystal set", "shelf": "dictionary", "surface": "secular", "snippet": "crystal set: (noun) an early radio receiver using a crystal detector"}, {"id": "card_src_word_crystal_ball", "title": "crystal ball", "shelf": "dictionary", "surface": "secular", "snippet": "crystal ball: (noun) a glass or crystal globe used in crystal gazing by fortunetellers"}, {"id": "card_src_word_crystal_microphone", "title": "crystal microphone", "shelf": "dictionary", "surface": "secular", "snippet": "crystal microphone: (noun) a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage — syn: crystal mike"}, {"id": "card_src_word_crystal_mike", "title": "crystal mike", "shelf": "dictionary", "surface": "secular", "snippet": "crystal mike: (noun) a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage — syn: crystal microphone"}, {"id": "card_src_word_radio", "title": "radio", "shelf": "dictionary", "surface": "secular", "snippet": "radio: (noun) medium for communication — syn: radiocommunication, wireless · (noun) an electronic receiver that detects and demodulates and amplifies transmitted signals — syn: radio receiver, receivi"}, {"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"}]}