The video contained within this article is quite interesting. I don't claim to understand the article that well, but was fascinated by the video.
http://strongmail.the-scientist.com/track?type=click&mailingid=1406&messageid=1&databaseid=545&serial=1204300313&emailid=patamadre@aol.com&userid=97973&extra=&&&2046&&&http://www.the-scientist.com/2009/07/1/51/1/#video
http://strongmail.the-scientist.com/track?type=click&mailingid=1406&messageid=1&databaseid=545&serial=1204300313&emailid=patamadre@aol.com&userid=97973&extra=&&&2046&&&http://www.the-scientist.com/2009/07/1/51/1/#video