38 points
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This shape is a fractal made from the Mandelbrot set. I guess the joke is that the more you zoom in the edges the more detail there is, so doing them would be an impossibly infinite task. https://mander.xyz/post/8966692More info on the Mandelbrot set here.
12 points
This shows the phenomenon pretty well. I like to watch this once in a while to remind myself that I know nothing about anything.