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What is color constancy and how does it trick our brain into seeing colors that aren't really there? WIRED's Robbie Gonzalez and neuroscientist David Eagleman use ambiguous photographs and giant props ...

Optical illusions come in all shapes, sizes, and levels of stupidity. There was the blurry ham picture that made Reddit scratch its head. (Really.) And the one that turned out to just be a cigar ...

Akiyoshi Kitaoka, a Professor of Psychology at Ritsumeikan University in Japan, specializes in optical illusions and has been making them for over a decade. It might be hard to swallow the truth, but ...