WARNING: Do not watch if you have photosensitive epilepsy or are sensitive to flashing lights. Open the illusion in a full-screen window and watch for 30 seconds while focusing on centre. When you look away, you’ll see the world melting before your eyes. The illusion is created because the brain cells that detect motion in one direction become tired. After the eyes look away, the cells that detect motion in the other direction are more active and a stationary object appears to be moving.
See it below
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