The break of the curveball « Best Visual Illusion of the Year Contest
http://illusioncontest.neuralcorrelate.com/2009/the-break-of-the-curveball/

Illustration of why curveballs seem to suddenly drop.

Optical illusion

Our illusions suggest that the perceived “break” may be caused by the transition from the central visual system to the peripheral visual system. Like a curveball, the spinning disks in the illusions appear to abruptly change direction when an observer switches from foveal to peripheral viewing.

I have used it and it works. Limit to ten pages per hour, each 2 MB or less.

Color illusion 12

Hyvä video optisista harhoista.

TED Talk, fascinating as always...

TED presentation on optical illusions - explanation that they are not failures of the senses, but simply the brain taking empirical and historical data it has gathered from other experiences that have been useful and analyzing data it receives. TL;DR - information has only the meaning we give it.

If you’ve ever felt like you go a little cross-eyed after taking a peek at an optical illusion, then you know they can be a pretty intense phenomenon. What your eyes perceive when looking at one of these images is actually a visual illusion; you see

Acid Cat

This is great!! Found via Mental Floss.

Crossing circles... sorta. :-)

motion induced blindness, optical illusion, rotating array, yellow dots, green dot