Whoaaaa!!!

Check out this little example of human perception/face recognition:

http://www.futilitycloset.com/2010/05/21/the-thatcher-effect/

Cool Illusion

An illusion of (color) perception:

http://www.johnsadowski.com/big_spanish_castle.html#

(for 30 seconds of dot-staring, cursor must be off the picture, then move on to picture)

The Golden Ratio

Human affinity for the 'Golden Ratio' of mathematics now explained by an engineer in terms of unification of "vision, thought and movement under a single law of nature's design":


http://www.labspaces.net/101235/Mystery_of_golden_ratio_explained

What Do You See...

Speaking of illusions(?), British psychologist Richard Wiseman amuses once again:

http://tinyurl.com/yc8npdu

Visual Illusions

Three of the visual illusions that were among finalists for "2009 illusion of the year":

http://illusioncontest.neuralcorrelate.com/2009/another-turn-a-variant-on-the-shepard-tabletop-illusion/

http://illusioncontest.neuralcorrelate.com/2009/the-illusion-of-sex/

http://illusioncontest.neuralcorrelate.com/2009/contrast-color-induced-by-unconscious-surround/

And the winning entry:

http://illusioncontest.neuralcorrelate.com/2009/the-break-of-the-curveball/