Invention of the Radio

Date: 1895 Inventor: Marconi


The first wireless mode of communication. Radios send messages by radio waves instead of wires. German scientist Heinrich Hertz proved the existence of radio waves, which occur in nature.

In 1895, a young Italian named Gugliemo Marconi invented what he called “the wireless telegraph” while experimenting in his parents’ attic. He used radio waves to transmit Morse code and the instrument he used became known as the radio. In 1906, Marconi shared the Nobel Prize for physics with Ferdinand Braun, a German, in recognition of their contributions to the development of wireless telegraphy. Radio works by changing sounds or signals into radio waves, which travel through air, space, and solid objects, and the radio receiver changes them back into the sounds, words, and music we hear.

A radio broadcast is a one-way transmission, originating from a radio station. In the early 1920s, radio played an important role in people’s lives, and over 500 stations were broadcasting news, music, sports, drama, and variety shows. By the 1930s, most households in the U.S. and Europe had at least one radio. In the evening, the family gathered around a big “console” that was usually located in the living room, where they might spend hours listening to variety shows or comedies.

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Industrial Revolution Poster by:

J. Raymond