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Path: utzoo!linus!decvax!decwrl!Glacier!kestrel!king
From: king@kestrel.ARPA
Newsgroups: net.space
Subject: Re: Fuels for rocket propulsion
Message-ID: <1010@kestrel.ARPA>
Date: Tue, 10-Sep-85 12:39:26 EDT
Article-I.D.: kestrel.1010
Posted: Tue Sep 10 12:39:26 1985
Date-Received: Thu, 12-Sep-85 23:13:42 EDT
References: <384@decwrl.UUCP>
Organization: Kestrel Institute, Palo Alto, CA
Lines: 13
Summary: Neutrinos a problem in matter/antimatter reaction?

In article <384@decwrl.UUCP>, augeri@gwen.DEC (Mike Augeri) writes:
> 
> ...
> 
> "Furthermore, the other half of the reaction is in neutrino form, and
> neutrinos can penetrate anything (including any shielding we can think of,
> and astronauts' bodies).  Neutrinos also refuse for the most part to be
> directed by electric, magnetic, or any other sort of fields, so they are
> hard to get rid of."
> 

I certainly agree that neutrinos represent lost energy, but not a
shielding problem.  The particles will pass thru the astronauts'
bodies, the Earth, and even the Sun without leaving behind any effects.