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TV Signals Roundup

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How Television Works
Televisons have been around for a while now, but the technology is still incredible.
Televisons have been around for a while now, but the technology is still incredible.
Davies and Starr/Getty Images

Television has been around long enough to seem entirely ordinary, but the box that brings TV shows into your home is an amazing device. What kinds of signals are being transmitted? How is the picture formed? Where does the color come from? Find out what's going on inside a TV set.

Learn about How Television Works.


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