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- Timeline of invention (28171 bytes)
340: * [[1895]]: [[Radio signals]]: [[Guglielmo Marconi]]
357: * [[1902]]: [[Radio magnetic detector]]: [[Guglielmo Marconi]]
358: * [[1902]]: [[Radio telephone]]: [[Poulsen]] [[Reginald Fessenden]]
365: * [[1905]]: [[Radio tube diode]]: [[John Ambrose Fleming]]
367: * [[1907]]: [[Radio amplifier]]: [[Lee DeForest]] - Roaring Twenties (28131 bytes)
5: ...automobile|car]]s and [[mass communication]] by [[radio]] spread the idea of modernity to a large parts o...
17: ...to the majority. The [[automobile]], [[movie]], [[radio]], and [[chemical industry|chemical industries]] ...
19: ...ce its introduction near the turn of the century. Radio entertainment was as varied as [[programming]] in...
21: ...mble beginnings in short, silent film reels. Like radio, film was a media for the masses. A view of a fil...
66: ...egan broadcasting in [[Pittsburgh]] in [[1922]]. Radio stations subsequently proliferated at a remarkabl... - History of the United States (21226 bytes)
63: ...ell at the end of the war while new industries ([[radio]], [[film|movies]], [[Automobile|automobiles]], a... - Astronomy (13970 bytes)
58: ... transmission but much more sensitive. See also [[Radio telescope]]s.
64: Optical and radio astronomy can be performed with ground-based [[ob...
77: ...r]]s, [[pulsar]]s, [[blazar]]s and [[radio galaxy|radio galaxies]], and has used these observations to de... - Sun (20830 bytes)
163: ...g across the [[electromagnetic spectrum]], from [[radio]] through [[visible light]] to [[gamma rays]]. - List of reference tables (55289 bytes)
1166: ===[[Radio]]===
1167: *[[List of radio stations]]
1221: **[[List of celebrities playing radio show callers on Frasier]] - List of inventors (14020 bytes)
25: *[[Trevor Baylis]], (1937- ) — [[clockwork radio]]
82: *[[Reginald Fessenden]] — two-way [[radio]]
148: ...ielmo Marconi]], (1874-1937), [[Italy]] — [[radio]]
206: ...gate]]s, the [[Tesla turbine|bladeless turbine]], radio and [[VTOL|VTOL aircraft]] (among others).
210: ...895 - 1980), [[Australia]]n inventor of the pedal radio - Thomas Edison (20653 bytes)
84: *[[Radio]] - Agriculture (19147 bytes)
29: ...g perishable products, and fighting forest fires. Radio and television disseminate vital weather reports ... - Pioneer 11 (5118 bytes)
5: ...the high-gain dish. The spacecraft contains two [[radioisotope thermoelectric generator]]s (RTGs), which ...
7: ...ids, an [[ultraviolet photometer]], an [[infrared radiometer]], and an [[imaging photopolarimeter]], whic...
21: Analysis of the radio tracking data from the Pioneer 10 and 11 spacecra... - World War II (58065 bytes)
202: ...logy. While the war stimulated many technologies: radio development accelerated, and [[radar]] developed;... - Vietnam War (102682 bytes)
193: ...eveloping blind bombing techniques using radar or radio navigation systems, but at best they generated me...
220: ...on]] addressed the nation on [[television]] and [[radio]] asking the "silent majority" to join him in sol...
323: ...NVA colonel Bui Tin. The surrender came over the radio as Minh ordered South Vietnamese forces to lay do... - Timeline of United States history (1900-1929) (8003 bytes)
89: *[[1920]] - First [[radio]] broadcast in [[Pittsburgh, Pennsylvania]] - Timeline of United States history (1930-1949) (8681 bytes)
61: ...]] - [[Orson Welles]]' ''[[The War of the Worlds (radio)|The War of the Worlds]]'' broadcast - History of the United States (1918-1945) (54688 bytes)
16: ...ell at the end of the war while new industries ([[radio]], [[film|movies]], [[automobile]]s, and [[chemic...
56: ...ring the 1920s were businesses dependent upon the radio industry.
97: ...r is fear itself" and his "fireside chats" on the radio did a great deal alone to help restore the nation... - Tornado (14220 bytes)
51: ...e weather warnings. Warnings are also carried on radio and television, and most communities have [[civil... - Tropical cyclone (34538 bytes)
211: ...ame about in response to the need for unambiguous radio communications with ships and aircraft. As transp... - April (9790 bytes)
107: *International Amateur Radio Month - Venus (planet) (31010 bytes)
56: ...t [[Goldstone, California]], the [[Jodrell Bank]] Radio Observatory in the [[United Kingdom|UK]], and the...
58: ...es. Two competing theories explained the unusual radio spectrum, one suggesting the high temperatures or...
95: ...howed 95% carbon dioxide, and in combination with radio occultation data from the [[Mariner 5]] probe, it...
130: ...icist Donald Gurnett of the University of Iowa of radio emissions of Venus by the Galileo spacecraft duri... - Jupiter (24639 bytes)
223: ...limited by the failed deployment of its high-gain radio transmitting antenna.
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