I was talking to my brother the other day about what kids these days well never experience and this topic came up.
I remember as a kid I liked to brush my hand on the tv screen so I could feel the fuzzy air. What was that and why was it there?
In: Physics
In order to get a TV signal, you have to send data. Nowadays, that signal is sent digitally via a cable or satellite. In the old days it was sent through the air and picked up by an antenna.
For various different reasons, that signal through the air could get messed up a little bit and you’d miss a tiny part of the picture/sound. That is static. The attempt to translate those small mistakes into a picture/sound.
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