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- Path: sparky!uunet!mcsun!sun4nl!tuegate.tue.nl!blade!johan
- From: johan@blade.stack.urc.tue.nl (Johan Wevers)
- Newsgroups: sci.physics
- Subject: Re: FTL
- Message-ID: <5087@tuegate.tue.nl>
- Date: 17 Aug 92 14:22:48 GMT
- References: <1830.2A8E1404@catpe.alt.za>
- Sender: root@tuegate.tue.nl
- Organization: MCGV Stack, Eindhoven University of Technology, the Netherlands.
- Lines: 26
-
- Nir.Oren@f54.n7101.z5.fidonet.org (Nir Oren) writes:
-
- >Using the uncertanty principle, is it possible to travel faster than
- >the speed of light: A particles exact speed can't be mesured
- >ks>|for an exact period of time, therefore, could one not exceed
- >the speed of light, if he were then to slow down below it for an
- >equal ( or slightly greater) amount of time?
-
- That's true. According to Feynman's book ``QCD'', the traveling of
- a photon is can be described as a combination of a lot of Feynman
- diagrams, in which the photon sometimes decays into a particle-
- antiparticle pair, and so on. As far as I understood it, each (virtual)
- photon traveled with speed c, but the net result was an uncertancy
- on macroscopic scale. However, usually this uncertancy is very small,
- but maybe measurable.
-
- I'm not an expert on this subject, so please correct me if I put
- something not totally correct.
-
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