Brian Greene: The universe on a string

http://www.ted.com n clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein's notions of gravity and space-time to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. (This mind-bending theory may soon be put to the test at the Large Hadron Collider in Geneva.)

Author: TEDtalksDirector
Length: 19:07
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Tags: Brian  Green  Physics  science  ted  tedtalks  Universe