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Photon without speed?

  1. Nov 4, 2008 #1
    Can there ever exist such a thing?

    And if yes how could it be observed?

    Thanks!
     
  2. jcsd
  3. Nov 4, 2008 #2

    Hootenanny

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    No, photons and all other massless particles are required to travel at c.
     
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