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This exhibit displays the Ponzo illusion
MomentThis exhibit displays the Ponzo illusion. Two vertical blue lines are superimposed on a diagram of converging black lines, simulating railway tracks receding into the distance. The text explains that the illusion is based on the "perspective hypothesis." The converging lines create the perception of depth, making the upper blue line appear longer than the lower one, despite them being of equal length. A fun fact highlights that Mario Ponzo theorized our perception of object size is influenced by its background or environment.