cinnamon thoughts.

I didn’t believe this optical illusion’s effects would really last overnight but they do! First take a look at this grid. It clearly consists of black and white lines. Keep this in mind!
To experience the so called McCollough Effect you now need to stare at two squares consisting of black and colored lines for several [...]

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 [...]