Re: Anti-armor mines!

Tony Christney <acc@questercorp.com> wrote:
>Unfortunately, it is highly unlikely that you could devise a
>gravity meter that could measure such minute variations in the local
>field. Current field gravity meters may be able to detect a
>salt dome of several thousand metric tons after many corrections
>(usually free-air, Bouguer, topological and tidal). Mines - no way.
>
>If you were to measure such small variations, you would have to get
>very close to the mines (probably on the order of centimeters), at
>which point you would be in the middle of the mine field...
    Today's gravity meters mounted Los Angeles class submarines can
detect
opposing Soviet submarines. See a recent issue of Scientific American,
which
discusses declassified US Navy gravitometers and their accuracy.
    Given 100-200 years of rapidly improving technology, and I see no
reason
my why mines couldn't be located from outside their burst radius.

Andrew Martin
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-----Original Message-----
From: Tony Christney <acc@questercorp.com>
To: FTGZG-L@bolton.ac.uk <FTGZG-L@bolton.ac.uk>
Date: Friday, 4 September 1998 10:23 AM
Subject: Re: Anti-armor mines!

>At 05:10 PM 9/3/98 EDT, you wrote:
>>Not quite, if you look in a Physics (I know that I spelling that
wrong)
book
>>under gravitey you will find that the grater the mass of an objet the
more
>>pull it will have, so you take multiple readings and create a map in a
>simular
>>manor to the one below and you ethor find a very dense rock or your
mine.
>>
>
>Unfortunately, it is highly unlikely that you could devise a
>gravity meter that could measure such minute variations in the local
>field. Current field gravity meters may be able to detect a
>salt dome of several thousand metric tons after many corrections
>(usually free-air, Bouguer, topological and tidal). Mines - no way.
>
>If you were to measure such small variations, you would have to get
>very close to the mines (probably on the order of centimeters), at
>which point you would be in the middle of the mine field...
>
>>	(0) (1)(3)(1)(0)
>>	 1   2	3  4  5
>>(0)1	.   .	.   .	.
>>(1)2	.   .  #   .   .
>>(3)3	.   # #  #    .
>>(1)4	.   .  #  .	.
>>(0)5	 .  .	.   .	 .
>>
>>#=mine
>>Bye
>>Stephen
>
>	Tony Christney
>	acc@questercorp.com
>
>  "If the end user has to worry about how the program was
>   written then there is something wrong with that program"
>				   -Bjarne Stroustrup
>
>