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It was on this day in 1958 that the first American man made satellite was launched into orbit around the

It was on this day in 1880 that Thomas Edison filed his patent for an electric incandescent lamp Quote: Old people

 It was on this day in 1838 that Samuel Morse first demonstrated his idea for a telegraph system to his

It was on this day in 2000 that Hedy Lamarr, the Holywood actress and co-inventor of the idea for frequency

  It was on this day in 1933 that Ray Dolby was born. The company he founded invented and developed

Fact of the Day: In 1946, the first radar signals were reflected off the Moon’s surface by a U.S. Army