Our eyes and brains don’t perceive still images or movement in the same way as a computer. There is no simple analogy between our perception and computer graphics.
I’ve read that some things can be perceived at 1000 fps. IIRC, it was a single white frame shown for 1ms between black frames. Of course most things you won’t be able to perceive at that speed, but it certainly isn’t as simple as 30 fps!
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