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Unsolved problems in physics

  1. Sep 2, 2007 #1
    hi, everybody, please tell me " what're Unsolved problems in physics ? " Thanks so much
  2. jcsd
  3. Sep 3, 2007 #2
  4. Sep 3, 2007 #3
    There are tons.

    I reckon the most important are finding a unification of quantum mechanics and general relativity and understanding what dark matter is.

    Here is a comprehensive list:
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