Here's an assignment: Stare at a bright, stationary point on a dark background. It could be a star in the night sky, a faraway streetlight, or a dot of white-out on black construction paper. Whatever it is, if you stare at it long enough, it will start to ... move.
Related Video: Check Out This Movement Illusion
When You Can't Believe Your Eyes
Written by Mae Rice January 23, 2019
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