Just holding up pieces of paper to the screen and shielding portions of the image I can almost feel my brain doing a recalculation then - clunk - I see the squares as different shades. Amazing...
Yep Dave, a couple of envelopes some sundry fingers over the image and it all makes sense. Wierd though, I would have almost bet money that they were different shades of grey.
Here's another illusion. I had to chop it down a bit for it to fit, but you can get the idea.
"If you take a look at the following picture , let me tell you ... it is not animated. Your eyes are making it move. To test this, stare at one spot for a couple seconds and everything will stop moving. Or look at the black center of each circle and it will stop moving. But move your eyes to the next black center and the previous will move after you take your eyes away from it.... Weird..."
I have tried these wit hthe guys and gals here at work and they like myself were completely bowled over by the results. great stuff, I like things like this, just goes to prove what an odd lot we really are?
I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg. The phaonmneal pweor of the hmuan mnid. Aoccdrnig to a rscheearch taem at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Scuh a cdonition is arppoiately cllaed Typoglycemia
