IBM Road coloring problem solved

http://domino.research.ibm.com/Comm/wwwr_ponder.nsf/challenges/July2003.html

There is also a computer version of the problem: One has a big network like the Internet, and an e-mail message is lost somewhere. The systems operator wants to get it sent to the right place, said Margolis. "But he doesn't know where it is. Synchronizing instructions could get it there, like a mouse through a maze. Avraham's work proves that it's always possible to find one's way with such instructions."

http://www.jpost.com/servlet/Satellite?cid=1202246348334&pagename=JPost%2FJPArticle%2FShowFull

Now if only there is an equation to find the socks I lost at the Laundry mat.