eli5 why do pictures of screens do that weird thing when you zoom on it?
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Your computer screen actually “refreshes” at a cycle of about 60-360 times per second.
Your camera is catching the process and creating a moire pattern.
If you’re talking about window screens, the answer is nearly the same! It’s still the moire effect – the pixels of the image are in a grid that don’t line up exactly with the lines of the screen and it creates an optical illusion.
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