This clip is taken from the NOVA PBS series "THE ELEGANT UNIVERSE' and is used under the provisions of the Digital Millineum Copyright Act of 1998 (Title IV). Brian Greene guides us through Newton's discovery of gravity to the explanation of it, through Einsteins Theory of Relativity. Brian Greene is a theoretical physicist and one of the best-known string theorists. Since 1996 he has been a professor at Columbia University. The Elegant Universe was adapted for a three hour program in three ...
