RE: virus: Quantum TT
Schneider John (JSCHNEID@hanoverdirect.com)
Fri, 15 Nov 1996 01:55:20 -0500
David Leeper wrote:
> : > Tadeusz Niwinski wrote:
> : > >
> : > > David Leeper wrote:
> : > > >Quantum Mechanics shows that even the speed of
> : > > >light is not absolute.
> : > >
> : > > How?
> >
> : > Uncertainty Principle (or Feynman's "Arrows", if you prefer).
> :
> : The uncertainty principle has nothing to do with the speed of
> : light.
>
> Measuring the speed of a photon (light) is subject to the
> Uncertainty Principle.
That's not quite how it works: the uncertainty principle relates
pairs of observables. Even though knowledge of both speed and
location is subject to the uncertainty principle, it is still
the case that the speed of a photon may be determined with
arbitrarily small uncertainty (in theory).
- JPS