Forget the dress! This dancer optical illusion is even crazier.
Is she spinning clockwise or counter-clockwise?
At first I thought she was spinning counter-clockwise and couldn’t see it the other way; but when I looked again after looking away, suddenly she was spinning clockwise.
It all comes down to whether you think she’s spinning on her right foot or her left foot.
Called a kinetic, bistable optical illusion, this example was created in 2003 by web designer Nobuyuki Kayahara per Wikipedia.
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