Round or square? – A very impressive optical illusion!

2016-07-04 // unusual popular

Are these objects round or square? Why do they change shape facing a mirror? This impressive optical illusion was designed by Japanese Kokichi Sugihara, a professor at the Meiji University, and won second place at the Best Illusion of the Year Contest 2016. You will find below a video that reveals the secret of this strange optical illusion.

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