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573 points chkhd | 1 comments | 13 Jul 25 14:09 UTC | HN request time: 0.224s | source

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retrac ◴[13 Jul 25 16:39 UTC] No.44551618[source]▶

CRTs are still slightly magical to me. The image doesn't really exist. It's an illusion. If your eyes operated at electronic speeds, you would see a single incredibly bright dot-point drawing the raster pattern over and over. This YouTube video by "The Slow Mo Guys" shows this in action: https://youtu.be/3BJU2drrtCM?t=190

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1. YZF ◴[13 Jul 25 16:50 UTC] No.44551694[source]▶

>>44551618 #

There is some persistence in the pixels/phosphor though so it's not a complete illusion. But yes, your eyes are integrating over the frame. There is also interlacing...

I read something interesting recent but I'm not sure if it's true or not. That as you age your integration frame rate decreases.

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