Stephen Hawking to unveil strange new way to tell the time

"The Corpus Clock has been invented and designed by Dr John Taylor for Corpus Christi College Cambridge for the exterior of the college's new library building.

It will be unveiled on 19 September by Prof Stephen Hawking, cosmologist and author of the global bestseller, A Brief History of Time."

http://www.telegraph.co.uk/earth/main.jhtml?xml=/earth/2008/09/14/scihawking114.xml