Before reading any further, if you suffer from photosensitive epilepsy or are sensitive to flashing lights, we highly recommend not watching this video. With that said, this mind-bending trick, known as ‘motion aftereffects’, makes viewers see movement in objects that are in fact stationary. Here’s how it works, according to The Daily Mail: “When watching a waterfall, or the strobe illusion, the brain cells that detect motion in one direction become tired. When the eyes look away, the cells that detect motion in the other direction are more active and a stationary object appears to be moving.” Continue reading to watch – make sure you click the icon in the bottom right for full screen mode.

[Sources 1 | 2]