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What causes the snow we see on tv?

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Anonymous

13y ago
Updated: 8/18/2019

Its called Pseudorandom noise. The "snow" is actually free electrons that are pulled from the back of the cathode ray tube (CRT) and strike the phosphor coated glass causing it emit light. So each little white dot is and electron :) Might be called (gaussian noise) But either way its the same principal.no way i love this

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Wiki User

13y ago

What else can I help you with?