With the advent of the 9V battery-powered transistor radio in the 1950s, the “Emergency Radio” was born. Unlike vacuum tube receivers with heavy batteries or unpowered crystal radios, these handheld ...
On this day in history, December 12, 1901, Guglielmo Marconi sends first transatlantic radio message
Irish-Italian inventor Guglielmo Marconi ushered in a new era of global communications, sending the first radio transmission across the Atlantic Ocean on this day in history, Dec. 12, 1901. The ...
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