Re: Time not quantized and implications on identitiy debate

From: Anders Sandberg (
Date: Wed Aug 06 2003 - 13:24:57 MDT

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    The original article is
    The phase coherence of light from extragalactic sources -
    direct evidence against first order Planck scale fluctuations
    in time and space Richard Lieu, Lloyd W. Hillman

    I really like this experiment. I do not have the time to go
    through the paper carefully, but they seem to get that c is
    exact to 1:10^32. This is good, but the Planck time is
    5.4*10^-44, so they seem to be a few orders of magnitude away.

    However, if the quantization is not assumed to be random but
    regular in some way (like in a cellular automaton) then the
    problem disappears.

    On Wed, Aug 06, 2003 at 01:06:25PM -0400, matus wrote:
    > I found this quite surprising. Surprising, first of all, that time
    > might not be quantized, since space, energy, momentum all are.

    If time isn't quantized, space isn't quantized either. You can
    always rotate them into each other by a Lorenz transformation.

    Hmm, I wonder if this could be used to do some kind of
    gravitational ultraviolet catastrophy?

    Anders Sandberg                                      Towards Ascension!                  
    GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y

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