The Adelson's Same Color Illusion is an optical illusion that tricks the eye into perceiving two colors as the same when they are actually different. The illusion was discovered by Edward Adelson, a professor of vision science at MIT, in 1995. In the illusion, two squares of different colors
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The checker shadow illusion is an optical illusion published by Edward H. Adelson, professor of vision science at MIT, in 1995. It demonstrates the context-dependent nature of human color perception.