The liquid "barretter", an electrolytic diode invented in 1902 by Canadian electrical engineer Reginald Fessenden, used as a radio wave detector in early radio receivers during the wireless telegraphy era Stock Photo -
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This Month in Physics History
Who invented the radio? | HowStuffWorks
Who invented radio?
/GettyImages-654313946-5c4b7c5e46e0fb00014a2ad9.jpg "The Invention of Radio Technology")
The Invention of Radio Technology
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Research and Invention - Radio Year: 1895 Inventor: Guglielmo Marconi In 1895, a young Italian named Gugliemo Marconi invented what he called “the wireless telegraph” while experimenting in his parents' attic. He
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Radio in America, from Its Invention to Telstar
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File:Marconi's first radio transmitter.jpg - Wikimedia Commons
Marconi's first radio transmission | Radio, Scientific discovery, Inventions
