We are happy to announce that Gianni Sarcone won the Third prize of the 2017 “Best Illusion of the Year Contest”.

Author description: Müller-Lyer’s illusion proves that a segment can visually appear longer or shorter depending on the sense of the arrow heads at its ends. As shown in the animation, the red dot in the middle of the line is equidistant from the other two red dots, although the ends of the line visually appear to alternately stretch and shrink like a rubber band!

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