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
![](../../pix/kewl/opt-beever.jpg)
Courtesy of
Julian Beever.
Trompe-l'oeil
![](../../pix/kewl/opt-pugh.jpg)
Courtesy of
John Pugh.
Moving immobility
![](../../pix/kewl/opt-kitaoka.gif)
Courtesy of
A. Kitaoka.
Black and White
![](../../pix/kewl/opt-adelson.jpg)
color(square A) = color(square B) ! Courtesy of
Edward H. Adelson.
Colors
![](../../pix/kewl/opt-turquoise_spiral.png)
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
![](../../pix/kewl/opt-monalisa.jpg)
Do you recognize her? Check!
Close view, far view
![](../../pix/kewl/opt-drangry.jpg)
Courtesy of
Philippe G. Schyns, Aude Oliva.
Last but not least:
Print Gallery
![](../../pix/kewl/opt-prentententoon.jpg)
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
Kewl
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