did-you-kno: You can’t see all the dots in this illusion at once. It’s hard for human eyes to process peripheral information, so the brain guesses to fill in the gaps. In this case, it settles on intersecting gray lines instead of 12 black dots.

did-you-kno: You can’t see all the dots in this illusion at once. It’s hard for human eyes to process peripheral information, so the brain guesses to fill in the gaps. In this case, it settles on intersecting gray lines instead of 12 black dots.

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from: https://www.tumblr.com/blog/view/joseph4587/176160557642