Walt Disney’s original vision for his Experimental Prototype Community Of Tomorrow (EPCOT) is astounding.

Unfortunately, what was later opened as “EPCOT Center” is only a terribly faint echo of the original vision.

Stare at the modified picture for a while, move your mouse to reveal the grayscale picture and it seems to be in color for a little while. Neat, but not amazing, A likely explanation seems to be that the cones superimpose an afterimage on the rods signal.

Some people doing CAPTCHA recognition and also generating a 3-d CAPTCHAs.

An article about buying prescription eye-wear online.

A neat visual pattern that can be interpreted different ways, sometimes even at will.