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- From: roberts@CMR.NCSL.NIST.GOV (John Roberts)
- Newsgroups: sci.space
- Subject: Re: Antimatter
- Message-ID: <9207230057.AA03398@cmr.ncsl.nist.gov>
- Date: 23 Jul 92 00:57:59 GMT
- Sender: daemon@ucbvax.BERKELEY.EDU
- Organization: National Institute of Standards and Technology
- formerly National Bureau of Standards
- Lines: 21
-
-
- -From: dietz@cs.rochester.edu
- -Subject: Re: Antimatter (was propulsion questions)
- -Date: 21 Jul 92 07:24:09 GMT
-
- -In article <Brp9H4.3GM@zoo.toronto.edu>, henry@zoo.toronto.edu (Henry Spencer) writes:
- -|> Antimatter isn't a very efficient explosive. If you dropped an anti-iron
- -|> cannonball, it would just sit there and sizzle. (The radiation would make
- -|> the immediate neighborhood very unhealthy, mind you.)
-
- -No. Dropping an anti-iron cannonball -- or, indeed, exposing it to air
- --- would vaporize it in short order. The antiiron vapor would then quickly
- -mix with very hot air, and most of the antimatter would annihilate in
- -short order.
-
- OK, guys, so which is it?
-
- And what about a chunk of anti-(ablative heat shield) material?
-
- John Roberts
- roberts@cmr.ncsl.nist.gov
-