Let's have a bit of rest. Do you like optical illusions? I am really keen on them. Here are some good images I found for you.
This is a painting with numerous hidden faces. How many can you find?
There are several hidden faces in this image. How many can you find?
This one is very simple but quite amazing, Move your eyes around the image below. That's almost enough to make your head spin. The movement is just an illusion. it gives headache, doesn't it?
This is a very strange image taken from www.cyberium.net
References : www.michaelbach.de , http://en.wikipedia.org/
You can find all this funny stuff on this Website : http://www.humoronline.com
Another site with unusual optical illusions is this one: http://www.cyberium.net/