Brian Greene: The universe on a string 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.)From:TEDtalksDirectorViews:166063 1407ratingsTime:19:07More inScience & Technology