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A geometry for strings

String theory suggests that the fundamental particles of nature aren't like points, but are tiny little strings. But when there is a smallest length, the ordinary geometry we learn about at school doesn't work any longer. In this video David Berman of Queen Mary, University of London, talks about generalising geometry to fit string theory.

This interview is part of our Researching the unknown series featuring physicists from Queen Mary, University of London.

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