The Elegant Universe: Part 3
Season 30 Episode 14 | 53m 7s | Video has closed captioning.
Brian Greene shows how Edward Witten of Princeton's Institute for Advanced Study, aided by others, revolutionized string theory by successfully uniting the five different versions into a single theory that is cryptically named "M-theory," a development that requires a total of eleven dimensions.
Problems Playing Video? | Closed Captioning