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Scientists in spent a lot of time looking for electromagnetic radiation at low frequencies - radio waves - after their theoretical prediction by James Clerk Maxwell in the 1860s. They were detected near lightning strikes and attempts were made to reproduce the effect artificially using electric sparks. Hertz in Germany and Popov in Russia were two of the early scientific investigators.

Guglielmo Marconi developed the science into a means for communicating without wires - wireless telegraphy - and conducted experiments that spanned greater and greater distances until in 1901 a message was sent over the Atlantic from Poldhu in Cornwall to Newfoundland.

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