Why old screens make a ʰᶦᵍʰ ᵖᶦᵗᶜʰᵉᵈ noise

Last week I made a video surrounded by old-school CRT monitors and televisions - cathode ray tubes. And I completely forgot to remove the high pitched whine they produce. Here's why: why they make that noise, and why I didn't notice it.

Thanks again to the Cambridge Centre for Computing History! http://www.computinghistory.org.uk/

Get some goddamn earplugs: http://amzn.to/2hlOGuU [affiliate link] or see Matt and me talking about them: https://www.youtube.com/watch?v=gzJePUquk1o

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