30 August, 2010

The Spinning Dancer

I found this interesting illusion here, along with 9 other tricks to play on your brain. Wikipedia and that site explain it better than I can, so I won't try. In short, the girl can be seen as spinning clockwise or anti-clockwise. Whenever I first look at it, she appears to be spinning CW. I've learnt to adjust my perception so I can see her as spinning in either direction.

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