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  2. Timeline of radio - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_radio

    The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .

  3. History of radio - Wikipedia

    en.wikipedia.org/wiki/History_of_radio

    The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy".

  4. Invention of radio - Wikipedia

    en.wikipedia.org/wiki/Invention_of_radio

    A French ship-to-shore radio station in 1904. The invention of radio communication was preceded by many decades of establishing theoretical underpinnings, discovery and experimental investigation of radio waves, and engineering and technical developments related to their transmission and detection. These developments allowed Guglielmo Marconi ...

  5. Radio - Wikipedia

    en.wikipedia.org/wiki/Radio

    Radio is the technology of communicating using radio waves. [ 1 ][ 2 ][ 3 ] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates oscillating electrical energy, often characterized as a wave.

  6. Golden Age of Radio - Wikipedia

    en.wikipedia.org/wiki/Golden_Age_of_Radio

    The Golden Age of Radio, also known as the old-time radio (OTR) era, was an era of radio in the United States where it was the dominant electronic home entertainment medium. It began with the birth of commercial radio broadcasting in the early 1920s and lasted through the 1950s, when television gradually superseded radio as the medium of choice ...

  7. Radio in the United States - Wikipedia

    en.wikipedia.org/wiki/Radio_in_the_United_States

    Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937. [1][2] It was the first electronic "mass medium" technology, and its ...

  8. Timeline of Australian radio - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Australian_radio

    History of ABC Radio; Australasian radio: A Chronology of the first 60 years; Langdon, Jeff (1995) The History of Radio in Australia: Excerpts from a Lecture given by Dr Jeff Langdon in 1995; Johnson, Lesley. "Radio and everyday life The early years of broadcasting in Australia, 1922-1945." Media, Culture & Society 3.2 (1981): 167-178.

  9. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    1667 to 1875. 1667: Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations. [1][2] 1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. 1849: Antonio Meucci demonstrates a communicating device to individuals in Havana.