Wednesday, September 02, 2009

Illusion

Watch what moves (click on image to enlarge):

2 comments:

\m said...

Are things moving clockwise? Or counter-clockwise? If you actually hold your eyeballs still, nothing moves. The movement is generated by scanning the image in different directions with your eyes.

Stuart said...

Thanks, \m. Interesting how the movement of our own eyes is perceived as movement of something external.