Distorting Illusions

Ponzo illusion

Which is bigger man?

If you know the answer, please move(drag) the left man to the right man.

Ponzo illusion is optical illusion reported in 1913 by the psychologist Mario Ponzo. Ponzo showed that man depends on a background for the size of the object.

Ponzo illusion

Distorting Illusions

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Hide slit-sheet

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