What Guy found was
that he could control the swirling by dilating his
pupils. One teacher said, 'I felt like they were all moving... but slowly. Kinda
like, they were breathing.' The pictures are used to test the level of stress a person can handle. The slower the pictures move, the better your ability of handling stress. Alleged criminals that were tested see them spinning around madly; however, senior citizens and kids see them standing still. By the way, the above image is not animated.
Incredibly, the coffee beans are perfectly
still. Back to cool illusion 1