I know a couple of you like the illusions I post so here is another site I've found.
You can make this yourself:
http://www.moillusions.com/2010/05/video-impossible-slopes-illusion.html
Male or female
http://www.moillusions.com/2009/05/illusion-… more »
Category: "Illusions"
Hybrid images change interpretation as a function of viewing distance. Created by Aude Oliva. more »
You know how I love my optical illusions so here is a nice one from Mozilla. When I saw it first I just saw a mess of concentric circles. Now whenever I look at it, I can only see the 3D shape.
http://developer.mozilla.org/en-US/demos/detail/hypnotic… more »
I love these kinds of things. The mystery of the disappearing pink dots:http://www.beforeiforget.co.uk/2009/what-do-you-see/ more »
An interesting illusion with a checker board. Are those lines parallel?
http://hcpcrew.at/pix/illu_003.gif
The second one is a bit rude:
http://hcpcrew.at/pix/chinese.jpg more »