One type of motion illusion is a type of optical illusion in which a static image appears to be moving due to the cognitive effects of interacting color contrasts and shape position.
(http://listverse.com/2007/09/16/20-amazing-optical-illusions/)
To properly view this effect, click the image below to see the full sized version.
Made you kinda nauseous? (@_@)
I'm tellin ya, making this image your desktop wallpaper is NOT a pretty good idea.
