The blurry heart illusion

Kohske Takahashi, Ryosuke Niimi & Katsumi Watanabe

University of Tokyo, Japan

(© 2010 Kohske Takahashi, Ryosuke Niimi & Katsumi Watanabe)

Please move the eyes over the static red hearts on the blue background. The blurry heart wobbles whereas the sharp heart remains still.

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