SOME OF THEM MAKE MY BRAIN VIBRATE. I LOST 2 HOURS SOMEWHERE ALONG THE WAY. I WASTED 10 MINUTES JUST PLAYING WITH THE PAIR OF EYES THAT FOLLOW YOUR CURSOR ON THE FIRST PAGE.
These pages demonstrate visual phenomena, and »optical illusions« or »visual illusions«. The latter is more appropriate, because most effects have their basis in the visual pathway, not in the optics of the eye. When I find the time I will expand the