wavegrower: vortex chase by Frédéric Vayssouze-Faure. 3-in-1 illusion gif ! illusion 1 : you may think there are some round particles in motion, but all of them are static, just growing up and down one at a time (mexican wave effect). illusion 2 : you may think the first worm runs faster than the second one, and that they’re both accelerating, but they keep the same constant speed and distance in time and space all along (400m race bend effect). illusion 3 : you may think there’s a third illusion but there’s not
