WOTD: Grainy

Did you know you can still hear and see the reminents of the Big Bang.

First you have to get your hands on an analog TV. When you turn it on you will be met with grainy static and garbled noise. 

The image you see is a visual representation of the radiation caused by the Big Bang, and the noise is an audible one.

You can also test this out on an fm radio by running it to any non used frequency. You will hear “white noise” which is the same thing.

Now you know.
Grainy
Reference:

Universe

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