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Relativity 101

  1. Jun 30, 2006 #1
    Found this at Wikipedia...

    Happy SR Day, everyone!
     
    Last edited: Jun 30, 2006
  2. jcsd
  3. Jun 30, 2006 #2

    wolram

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    Gold Member

    Give me a rigid ruler and i will tell you about the U with out it we know nothing.
     
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