Don’t know – bubbles that think?

Manu Prakash from MIT has a gallery of ‘bubble logic’ – tiny bubbles in microfluidic channels that move as ‘the creator says’. don’t know how realistic the ‘thinking’ is. but you can also to see a movie: http://web.media.mit.edu/~manup/dist/science/low-res/1136907sM1.mpg

or read the recent article in Science:

http://www.sciencemag.org/cgi/content/abstract/315/5813/832