Originally Posted by easylife
Originally Posted by Ed Hansberry
Or is it? :crazyeyes:
Almost. If you focus your eyes on one spot in the illusion, the movement stops. It's only when your eyes are bouncing around the diagram that the circles appear to be rotating.
BTW - Where is the link to the GIF?
Sorry about that.
Also, here is the thread Janak started. I'll lock this one. I didn't notice his.