2019 Illusion of the Year

The video above shows the top winner in the annual Illusion of the Year competition. It’s called the Dual Axis illusion by Frank Force. Is this shape spinning vertically or horizontally? You can’t tell, because it’s a 2D image, but your brain makes it seem one or the other, until visual cues help you change […]

Illusion of the Year

This cardboard sculpture by Koukichi Sugihara of the Meiji Institute for Advanced Study of Mathematical Sciences in Japan won the first prize at the 2010 Illusion of the Year competition. The illusion shown is all the more remarkable in that it is a solid object whereas most entries were computer-generated. See the top ten finalists […]