h a l f b a k e r yI didn't say you were on to something, I said you were on something.
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The idea of using water to shield from radar is very slick, [21]. It would work. Also very low tech - you could generate the screen with your own ship's motor. It is the sort of trick that might work once to fool satellites as well. |
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The above was because I thought you invented the idea of using water to shield from radar. It is still slick. It could work for sand but I am not sure if radar is as important for locating land vehicles as it is in the air or on the sea. |
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The sand wasn't intended to shield from radar, just visibility so ambushers can't take aim at the vehicles. Although.... would the sand really block radar? If so, this could have the added benefit of fouling up guided munitions. |
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// would the sand really block radar //
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No, it would be transparent to most commonly employed microwave frequencies, and a swath of infra-red too .... and visually, you'd see it coming for miles.
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In WW2, air strike groups (allied and axis) could spot combat groups beyond the horizon ( in the right lighting conditions) by their dust plumes. |
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Well yeah, you'd see the dust cloud. But you can't aim at vehicles' weak spots or individual troopers very well. |
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Would it be possible to have some kind of artificial sand that does block the radar, microwave, infra-red etc.?
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Perhaps not useful in the same way, but good for vanishing in a puff of sand - basically a glorified smoke grenade. |
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// you can't aim at vehicles' weak spots or individual troopers very well //
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...... unless you're the USAF, and you're aiming at your allies ..... |
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//But you can't aim at vehicles' weak spots or individual troopers very well.//
Isn't it a Good Thing that fuel-air bombs work over large areas? |
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'Tis, if you have one handy. |
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Not exactly a common weapon for desert ambushes, now is it? |
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When I did the search to see if water-based radar deflection was baked, I encountered a patent for a smoke bomb which generates smoke (metal doped smoke?) that scatters radar. There's your glorified smoke grenade. I hope I don't breathe any of that metal-doped smoke. |
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