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 »

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 »