http://www.netvouz.com/scottjackson/tag/physics?feed=rss scottjackson's bookmarks tagged "physics" on Netvouz http://www.lhup.edu/~dsimanek/museum/people/people.htm Popular histories too often present perpetual motion machines as "freaks and curiosities" of engineering without telling us just how they were understood at the time. They also fail to inform us that even in the earliest history of science and engineering scottjackson Sat, 08 Dec 2007 04:00:02 GMT http://bethe.cornell.edu/ N 1999, legendary theoretical physicist Hans Bethe delivered three lectures on quantum theory to his neighbors at the Kendal of Ithaca retirement community (near Cornell University). Given by Professor Bethe at age 93, the lectures are presented here as Q scottjackson Sat, 08 Dec 2007 03:40:33 GMT