Feynman played: http://www.youtube.com/watch?v=v3pYRn5j7oI --- William Barowy, Ph. D. Associate Professor, Lesley University 29 Everett Street, Cambridge, MA 02138-2790 Desktop: http://bill.barowy.net/ Mobile: http://bill.barowy.net/m/ "I am always doing that which I cannot do, in order that I may learn how to do it." --Pablo Picasso