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- Xref: sparky sci.physics:21688 rec.arts.startrek.tech:7133
- Newsgroups: sci.physics,rec.arts.startrek.tech
- Path: sparky!uunet!cs.utexas.edu!convex!convex!ewright
- From: ewright@convex.com (Edward V. Wright)
- Subject: Re: Accellerating Spaceship (yet another bird in a plane)
- Sender: usenet@news.eng.convex.com (news access account)
- Message-ID: <ewright.725142689@convex.convex.com>
- Date: Wed, 23 Dec 1992 20:31:29 GMT
- References: <1992Dec10.030656.18192@augean.eleceng.adelaide.edu.AU> <Bz1Bxp.5vH@news.cso.uiuc.edu> <1992Dec12.020519.4599@newstand.syr.edu> <1992Dec21.92013.53@stephsf.com>
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- Lines: 18
-
- In <1992Dec21.92013.53@stephsf.com> wengland@stephsf.com (Bill England) writes:
-
- > Antimatter is about as weird and funky as you can get. AM has
- > been predicted to have negative mass (impies negative inertia and
- > repulsion from normal gravity wells).
-
- No, antimatter has perfectly normal, positive mass. What you're
- thinking of is "negative matter," described in a speculative
- article by Robert Forward. Because it has negative mass, negative
- matter would repel all other matter (including negative matter).
- (There is no evidence, however, that negative matter exists.
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