Sandia National Labs making surf boards?!
It's true! (sorta) It seems that the company who made the most foam blanks for surf boards closed in late 2005, and someone noticed that the foam used to protect electronics in nuclear missiles had similar characteristics....
http://www.wired.com/wired/archive/15.02/start.html?pg=9
http://www.wired.com/wired/archive/15.02/start.html?pg=9