The Stepping-Feet Illusion. The two rectangles appear to be moving alternately, like a pair of stepping feet – but they’re not; they're moving together at the same constant speed. Don't believe me? Watch how the illusion disappears when the stripes fade to grey… pic.twitter.com/L9NqSq7vus
— Steve Stewart-Williams (@SteveStuWill) February 7, 2020
Wednesday, March 11, 2020
I see wonderful things
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