Futility Closet

An idler's miscellany of compendious amusements

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https://archive.org/details/Animated_Optical_Illusion

06/19/2026 UPDATE: In 2014 the Guardian published a whole gallery of similar puzzles. (Thanks, Vladamir.)

June 14, 2026June 19, 2026 | Puzzles

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ABOUT

Futility Closet is a collection of entertaining curiosities in history, literature, language, art, philosophy, and mathematics, designed to help you waste time as enjoyably as possible.

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