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Illustration depicting Heinrich Hertz's oscillator and reflecting metal sheets to show outward and return paths of electromagnetic (radio) waves. Heinrich Hertz (1857-1894) a German physicist who first conclusively proved the existence of
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This Month in Physics History
Historical illustration of radio waves. Heinrich Rudolf Hertz (February 22, 1857 - January 1, 1894) was German physicist and discoverer of radio waves. Hertz studied at Berlin, gaining his PhD in 1880.
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An Old Retro-style Radio From The 1950's Isolated On White Background. Stock Photo, Picture And Royalty Free Image. Image 52241894.
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Radio in America, from Its Invention to Telstar
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Biography of Alexander Popov in St. Petersburg
