Best Visual Illusion of the Year Contest 2010
grrlscientist | May 13, 2010tags: Optical Illusion: Impossible Motion, optical illusion, Koukichi Sugihara, Best Visual Illusion of the Year Contest 2010, vision, brain, streaming video
In this video, wooden balls roll up the slopes just as if they are pulled by a magnet. The behavior of the balls seems impossible, because it is against gravity. The video is not a computer graphic, but a real scene.
What is actually happening is that the orientations of the slopes are perceived oppositely, and hence the descending motion is misinterpreted as ascending motion. This illusion is remarkable in that it is generated by a…