View full lesson: http://ed.ted.com/lessons/string-theory-and-the-hidden-structures-of-the-universe-clifford-johnson

What is everything made of? Thus far, we can break everything in the universe down to a few very small elementary particles. But they fit into strange patterns that are not understood. Some scientists believe that this is because we can go deeper - perhaps to simple vibrating strings! At TEDYouth 2012, Clifford Johnson describes these ideas, along with the concept of string theory.

Talk by Clifford Johnson.

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