you know that the raw image captured by your eyes is just a little upside-down smear? A hundred and thirty million sensors in your dainty little retina, but only enough nerve bandwidth to sample ten percent at a time. And of that ten percent, most of it is rejected by your subconscious as irrelevant. The blood vessels that feed the retina are for obscure reasons in front of the retina, blocking the view. So your eye has evolved to screen out stationary objects, like the spiderweb of veins in the way … but this would make walls and floors and trees fade out of view too. So your eyeballs must be
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