The Elegant Universe: Part 2

Do miniscule vibrating strands of energy hold the key to a unified theory of physics? More

Brian Greene delves into the nuts, bolts, and outright nuttiness of string theory. Part 2, "String's the Thing," opens with a whimsical scene in a movie theater in which the history of the universe runs backwards to the Big Bang, the moment at which general relativity and quantum mechanics both came into play, and therefore the point at which our conventional model of reality breaks down.

AIR DATE 10/28/03