Colorful Optical Illusion
June 12th, 2006 by Daniel Gattermann at 19:02h (UTC)I like optical illusions. When I first saw the Big Spanish Castle (via BoingBoing) I was really impressed because I’ve never seen this kind of illusion before. So I created my own versions using pictures I took about a year ago.
All you have to do is:
Make sure the picture changes when you move your [...]
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