The Best Optical Illusion of 2019

A really trippy optical illusion.

via MOTHERBOARD

Everyone likes a good optical illusion. The right kind of trick can instill a sense of wonder in even the most jaded viewer.

Every year, the Neural Correlate Society, a nonprofit that promotes scientific research into perception and cognition, runs a contest to find the world’s best illusion. This year’s winner is a Dual Axis, a series of twisting rings that appear to move clockwise, counterclockwise, and up or down, depending on how you’re looking at it.

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