Brian Greene: Making sense of string theory - YouTube

 Uploaded on Apr 23, 2008

 

http://www.ted.com In 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).

Source:
Brian Greene: Making sense of string theory - YouTube

 http://www.youtube.com/watch?v=YtdE662eY_M