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As early as 1876, Boston civil servant George Carey envisioned complete television systems, putting forward drawings for a “selenium camera” that would enable people to “see by electricity.”
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In 1926, Baird gave the world’s first public demonstration of a television system at Selfridge’s department store. He used mechanical rotating disks to scan moving images into electrical impulses.
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The first television was invented by Philo Taylor Farnsworth in 1927. Farnsworth transmitted the first image, a straight line, from his laboratory in San Francisco.
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The Baird Televisor became the first television sold commercially in 1929. using reflected light to create a low-resolution image the size of a postage stamp.
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In 1948, there were three main TV networks: NBC, CBS, ABC.
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1953The first all-electronic color television was introduced in the U.S.
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1997 Philips made the first domestic flat-screen television, a 42-inch plasma TV
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TVs in the 2000s became more popular and more affordable. They also became thinner.