Brian Greene: Making sense of string theory
In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein s notions of gravity and spacetime to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. (This mindbending theory may soon be put to the test at the Large Hadron Collider in Geneva). TEDTalks is a daily video podcast of the best talks and performances from the TED Conferen
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