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Someone help me with this

  1. Jan 29, 2007 #1
    How can we visualize 4D spacetime and how gravity plays a role in 4D spacetime??
     
  2. jcsd
  3. Jan 29, 2007 #2

    Chris Hillman

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    Faq

    This is a FAQ; did you try searching for previous PF threads? This very question was discussed as recently as a few days ago.
     
  4. Jan 29, 2007 #3
    If you take and combine two of the spatial dimensions say z and y then have time be your third dimension on a graph it is pretty easy. Its used in a lot of examples and what not in books.
     
  5. Jan 29, 2007 #4
    Last edited: Jan 29, 2007
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