Harry Veeder wrote:
> Synchronisation is done beforehand.
> e.g. Synchronise two clocks at the sender's
> location.
> Then move one of the clocks to the receiver's
> location.
Problems arise here, due to relativistic effects. If
you move one of the clocks, its time will be different
than that of the unmoved clock, due to its having
moved at some velocity to get to its new location. It
won't be off by much, but it will be enough to cause
problems for ultraprecise measurements.
--Kyle
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