Why... you shouldn't trust your eyes
I see it, but I don't believe it!
Up to which point are optical illusions metaphors?
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:
Do you recognize her? Check!
Close view, far view
Philippe G. Schyns, Aude Oliva.
Last but not least:
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