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- From: carl@SOL1.GPS.CALTECH.EDU (Carl J Lydick)
- Newsgroups: alt.sci.planetary
- Subject: Re: Sailing and Faster-Than-Light Travel
- Date: 18 Nov 1992 01:08:28 GMT
- Organization: HST Wide Field/Planetary Camera
- Lines: 27
- Distribution: world
- Message-ID: <1ec52cINNc33@gap.caltech.edu>
- References: <1992Nov17.023854.5180@bnr.ca>,<Bxvt8L.4s0@zoo.toronto.edu>
- Reply-To: carl@SOL1.GPS.CALTECH.EDU
- NNTP-Posting-Host: sol1.gps.caltech.edu
-
- In article <Bxvt8L.4s0@zoo.toronto.edu>, henry@zoo.toronto.edu (Henry Spencer) writes:
- >The most fundamental problem is that it appears to make hash out of
- >causality: given any form of FTL communication (including FTL travel),
- >you can set up situations where a suitably-chosen observer would see
- >the cause-and-effect relationship reversed, with effect preceding cause.
- >This does Bad Things to physics.
-
- Not necesarily. Consider, for example, "transactional" interpretations of QM.
- As long as all allowed solutions are self-consistent, what Bad Things would it
- do to physics?
-
-
- >FTL travel conflicts so badly with modern physics that nobody is going
- >to take the possibility very seriously unless/until it is demonstrated.
- >The biggest objection to FTL travel is simply that we have no idea how
- >it could be done. At the moment, FTL is fantasy, not serious speculation.
-
- If I recall correctly Kip Thorne has done theoretical work indicating that FTL
- travel via wormholes might be possible.
- --------------------------------------------------------------------------------
- Carl J Lydick | INTERnet: CARL@SOL1.GPS.CALTECH.EDU | NSI/HEPnet: SOL1::CARL
-
- Disclaimer: Hey, I understand VAXen and VMS. That's what I get paid for. My
- understanding of astronomy is purely at the amateur level (or below). So
- unless what I'm saying is directly related to VAX/VMS, don't hold me or my
- organization responsible for it. If it IS related to VAX/VMS, you can try to
- hold me responsible for it, but my organization had nothing to do with it.
-