TED Talks: Brian Greene Discusses String Theory, Are There Really Other Dimensions?

Let’s get a little deep. Here is physicist Brian Greene explaining superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.

Greene, a math prodigy and a Rhodes scholar, who has written several best-selling and non-technical books on the subject, such as The Elegant Universe, a Pulitzer finalist, Aventis winner and the basis for a three-hour Nova special. He is a professor at Columbia University’s Institute for Strings, Cosmology, and Astroparticle Physics.