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  1. #1
    Renton's Avatar
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    Isn't entanglement being FTL analogous to saying that a shadow can move FTL, i.e. no information is being transferred in either case?
  2. #2
    MadMojoMonkey's Avatar
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    Quote Originally Posted by Renton View Post
    Isn't entanglement being FTL analogous to saying that a shadow can move FTL, i.e. no information is being transferred in either case?
    Yes and no.

    There is certainly an intuitive conflict with the fact that the particles have oscillating identities until one of them is measured. How does the other one acquire the information that the first one has had anything happen to it?

    If the classical picture is correct, and the identities don't oscillate, but were chosen from the moment of entanglement. There is no information transfer, because there is no change after the initial separation.

    However, the QM picture says that the identities DO oscillate. The math yields remarkably accurate predictions, which seems like a very strong indicator that the math is correct. However, that flies in the face of GR and the notion that no information may travel FTL. Then again, GR is as well tested as QM, and the math is proving quite strong with GR, too.

    There is a paradox here that is not currently unraveled.

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