Why... you shouldn't trust your eyes

I see it, but I don't believe it!
   Georg Cantor

Up to which point are optical illusions metaphors?

Anamorphic Illusions

Courtesy of Julian Beever.


Courtesy of John Pugh.

Moving immobility

Courtesy of A. Kitaoka.

Black and White

color(square A) = color(square B) ! Courtesy of Edward H. Adelson.


How many different colors? (see | hide)
(author: again A. Kitaoka)

See also the Lottolab for other illusions with colors.

Now for something completely different:

Upside-Down view

Do you recognize her? Check!

Close view, far view

Courtesy of Philippe G. Schyns, Aude Oliva.

Last but not least:

Print Gallery

by M. C. Escher.
A remarkable study of the "Droste effect" can be found in Leiden.

Oh, and don't forget to take a little tour :)

last updated: July 2009