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The Best Optical Illusions of the Year

The winners of the Best Illusion of the Year Contest for 2021 have been announced and among the top 3, the one that really baked my noodle is the second place winner, Michael A. Cohen’s Changing Room Illusion:

I caught a tiny bit of what was going on here โ€” it’s a bit like the invisible gorilla experiment โ€” but the full reveal shocked me. First place was The Phantom Queen and The Double Ring Illusion took third. You can find a list of winners on the front page of their website and a list of the 10 finalists here.