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Alcubierre Drive?

  1. Sep 11, 2008 #1
    I stumbled across it on wikipedia. I'd never heard of it before but sounds quite interesting. I wonder if it'll ever be pursued as a way for faster than light travel. I think it's clever the way it allows this without defying the laws of relativity. What's everyone elses opinion?
  2. jcsd
  3. Sep 11, 2008 #2

    George Jones

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    There are serious papers on warp drive spacetimes, but this types of spacetime requires exotic material (negative energy density as measured by some observers). Quantum theory seem to indicate that exotic material exists, but how much is needed for these spacetimes is a matter of disagreement among physicists, i.e., research is still ongoing. A good technical review is


    This review mentions other problems, as well.
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