The circle in the center of this wavy yellow and purple pattern appears to move to the right while the background appears to moving to the left.  The motion effect on this one is incredibly strong for me.  I don’t know if it is the colors, or what, but it certainly seems like an animation […]

The folks over at Optical Spy created this really nice motion illusion called Butterflies.  The square in the center of this image appears to be completely unstable as it appears to wobble around. To see an illusion with a similar effect, take a look at the Moving Mona Lisa Face. (via Optical Spy)

Mathematical vision scientists Hitoshi Arai and Shinobu Arai created this unique wreath image in 2011.  If you focus your eyes on the red dot in the center of the wreath and move your head toward your monitor and then away from it repeatedly, you will notice that outer portion of the wreath appears to move […]

The orange and purple ring appears to rotate clockwise on the green background in a twitching or jerky manner.  The effect is enhanced if you move your eyes rapidly around the image or look away from it briefly and then focus on it again. Compare this effect to another motion illusion created by Professor Kitaoka […]

As you move your eyes around this image, the purple and yellow grapes appear to rotate around in circles.  Be careful with this one, you might start to get a little bit dizzy if you look at it for too long! To see more rotating circles, take a look back at the motion illusion in […]

While visiting Drudge Report on the afternoon of Tuesday April 22, I was surprised (and excited) to see an older motion optical illusion from 2006 by Japanese artist Miwa Miwa right in the middle of the page.  Miwa Miwa’s image, inspired by his love of Alfred Hitchcock movies, accompanied a link to a story about […]

Upon playing this video, the introduction warns the viewer as follows: Be aware!  This video may cause temporary hallucinogenic effects.  But please do not be afraid, these effects usually last a few seconds. The warning is overly dramatic, but it does produce a pretty amazing effect.  And in case you are worried, rest assured that […]