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Map the presence of mines by using a variation of the seismic mapping technique.
Exxon's take
http://www.exxonmob...uction_seismic.aspx
[PauloSargaco, Feb 24 2013]
Reflection seismology
http://en.wikipedia..._survey_acquisition
[PauloSargaco, Feb 24 2013]
Sonar already used at sea
http://www.defensei...ection-sonar-03764/
[DrCurry, Feb 24 2013]
...and, indeed, on land
http://64.78.11.86/...te-SeismicSonar.pdf
(Sorry, this is a PDF.) [DrCurry, Feb 24 2013]
Another Example
http://gtresearchne...ease/minedetect.htm
Supposedly being developed by L3 communications. [MechE, Feb 24 2013]
//build a big steamroller that'll survive mines//
http://en.wikipedia.org/wiki/Mine_flail
[mitxela, Feb 25 2013]
Oh rats, a mine.
http://www.bbc.com/...niff-mine-detectors
[AusCan531, Feb 26 2013]
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Annotation:
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Would this work? Detecting large volumes of liquid
or water in otherwise solid rock is a little different
from detecting small objects buried in rock-strewn
soil. |
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Yeah, yeah, it works, move along. |
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There must be something about landmines I don't
understand. I've seen people going inch-by-inch
with metal detectors; I've seen animals trained to
sniff out landmines; I've seen all manner of
ingenious and painstaking techniques. |
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Why is it not possible and effective to drag a roller
along under a helicopter, or strafe an area with
machine-gun fire, or build a big steamroller that'll
survive mines, or any one of a dozen other crude
methods to detonate hidden mines? |
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//You can't guarantee that it got them all.// No,
but none of the other proposed methods can offer
that guarantee either. And removing and sieving
soil is impractical if there are rocks and tree-roots
in the soil, or if the area to be cleared is of any
significant size. |
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As far as I can tell, it's not hard to clear an area of
>95% of landmines using pretty crude methods.
Then, for the 5%, just stampede cattle back and
forth until none of them come back as hamburger. |
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I presume, then, that landmine clearance is cheap
and easy, but not cheap and easy enough to be
done in very poor countries where unmapped
landmines tend to be most abundant. Maybe it's
time to start planting a few landmines in the
gardens of the people who manufacture the
things. |
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Or even better, those who ordered their deployment and
never came back for them. |
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[Max], all of the techniques you propose, and I do mean
all, have been employed time and again with varying
degrees of success. The most effective method ever
developed was perfected by the Russians in WWII. It was
similar to your idea with the cows, only using Russians
instead of cows. |
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Landmines should be made out of degradable
materials so that after a few years they simply
dissolve. |
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When landmine detecting, try to get a new stick. The used ones are mighty short. |
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Is there no sonic minesweeper using soundwaves to detonate explosives... or is it secret? |
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Using flails and cows is geat for a combat situation. It will set off almost all of the mines that could hurt you during combat. However when the trigger or detonator on the mine fails, you are left with a little bundle of explosives that could become unstable over time. That's why ideas of this type are needed. |
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Rabbits make good mine detectors. When a piece of metal
is buried shallow enough to absorb and retain the sun's
heat, rabbits will sit over the warm spot. Since the warmth
stimulates their digestion, anywhere that has been
occupied by a basking rabbit for a while will accumulate a
pile of droppings. |
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That's extremely interesting, [Alterother]. We could cross-check the mapping of the droppings with the 3D seismic mapping. |
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When I read about it (several years ago), I buried some
metal junk in my yard and turned my New Zealanders
loose. They liked the old brake rotors best, but I also found
dropping piles over other round objects. Go figure. |
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