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[This says all different types of things about it.](physics.tutorvista.com/modern-physics/photoelectric-effect.html)we had to use photoelectric sensing to separate the wavelengths from radio and television.
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cathode inventor and date
The cathode was invented in 1897 and this was nedded for any of the later advances to even be started -
Philo Farnsworth pioneered the television.
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The first electronic TV was patented.
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the television is starting to become a common to the public.
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NBC aired to Today Show for the first time.
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This link shows the exponential jump in American house hold televisions The house hold television jumped to over 50% by 1953.
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In 1954, CBS set the color standard for color TV,k this was a three hour news/talk show.
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NBC then introduced the ninty minute talk show the Tonight Show, Only half the length of the todya show.
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there was a poll takwn in 1995 that claimed the reason that teens were so sexually active and violent.
