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Everything is relative

  1. Apr 2, 2012 #1
    "everything is relative"

    hy guys,so Einstein jad a quote "everything is relative" but he proved that lightspeed has speed c relative to any reference frame ,doesn t that means that c is absolute?

    hope i made myself clear.
  2. jcsd
  3. Apr 2, 2012 #2


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    hi squareroot! :smile:

    yes, c is absolute

    (but the energy and momentum of light are relative)
  4. Apr 2, 2012 #3


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    Re: Relativity?

    Really? Did he? Can you provide a source for that quotation?
    Yes, and therefore he wanted to call his theory "The Theory of Invariants".
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