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Count Alessandro Volta invented the first battery. It changed communication by not having to have anything plugged into a wall like we have to do today. If the battery was not invented everything would be plugged into a wall
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Louis Braille was born in the village of Coupvray, France on January 4, 1809. He was blinded at a very young age after he accidentally stabbed himself in the eye with his father's awl.
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Joseph Nicephore Niepce was the first person to take a photo. The image depicts the view from an upstairs window at Niépce's estate, Le Gras, in the Burgundy region of France.
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The word microphone was developed by sir Charles Wheatstone in 1827. He used it to describe an all-mechanical vibration stethscope.
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Baron Schilling von Canstatt successfully demonstrates the first telegraph in history in his room.
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The telegraph system subsequently spread across America and the world, aided by further innovations. Among these improvements was the invention of good insulation for telegraph wires.
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The Pony Express was a fast mail service crossing the Great Plains, the Rocky Mountains, and the High Sierra from St. Joseph, Missouri, to Sacramento, California, from April 1860 to October 1861.
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Christopher Latham Sholes made the first Typewriter 1873, but the idea was thought about in 1868.
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An electric traffic light was developed in 1912 by Lester Wire, a policeman in Salt Lake City, Utah, who also used red-green lights. On 5 August 1914, the American Traffic Signal Company installed a traffic signal system on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio.
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John Logie Baird demonstrates the world's first television system to transmit live, moving images in tone graduations, to 40 members of the Royal Institution. The 30-line images are scanned mechanically by a disk with a spiral of lenses at 12.5 images per second.
