1. Jan 14, 2015 #1

   novella

   

   In theory, is time travel to the past possible by traveling completely around the loop of the CTC (where it would seem future links with its own past) or is a wormhole the only way to time travel by way of short cutting the CTC.

    

   novella, Jan 14, 2015
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3. Jan 14, 2015 #2

   nitsuj

   

   I'm not aware of any formal physics definition for a "wormhole" and have always thought of a CTC being the same thing as a wormhole.
   
   So what's a wormhole?

    

   nitsuj, Jan 14, 2015
4. Jan 14, 2015 #3

   Nugatory

   

   Staff: Mentor

   Google for "wormhole metric".

    

   Nugatory, Jan 14, 2015

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