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Curious inquiry about exotic matter

  1. Nov 4, 2013 #1
    Forgive me for being a lay person, I am a medical student and the only physics I've ever had was non-calculus based 200-level. Anyway, I was reading the "wormhole" faqs page from Dr. Rodrigo's webpage via UCal-Irvine: http://www.webfilesuci.org/WormholeFAQ.html

    I was wondering what your comments might be, in particular about #3. For one, is the theorized dark matter really "exotic" and why must this be so?
     
  2. jcsd
  3. Nov 4, 2013 #2

    Bill_K

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    Sounds to me like you're confusing exotic matter, dark matter and dark energy, which are all three different.
     
  4. Nov 4, 2013 #3
    Is dark matter not responsible for the acceleration of expansion via strong negative pressure?
     
  5. Nov 5, 2013 #4

    Bill_K

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    Nope, that's dark energy. Did you read the Wikipedia articles I pointed to?
     
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