Saturday, October 17, 2009

candy for the brain

Click on the photo below.

1 comment:

Cartesian said...

It is an optical illusion, as we can find in the "Discours sixième" of "La Dioptrique" by Descartes. And it is far better than taking drugs in order to see some strange things. (The last time I did leave a comment was in the summer 2008, I think :) )