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Now that we have spy satellites capable of seeing objects 10 centimeters in diameter it shouldn't be too hard to turn the search over to them when someone's missing at sea. Any object that looked round, like the top of someone's head, or was emitting a thermal image outside the background range, would
be right where the rescue boats should be sent.
Current capability
http://www.thebulle...p?art_ofn=ja01zhang
Scan for the word centimeter [longshot9999, Dec 14 2004]
Another way to look
http://www.nti.org/...03_annualreport.pdf
See page 33, the multi-spectral imager [longshot9999, Dec 14 2004]
Personal Locator Beacons
http://www.canoekayak.com/whatto/plb/
Alternative approach, less likely to be confused by a sea mammal, who have notoriously bad credit and can't afford them. [krelnik, Dec 15 2004]
[link]
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You're going to rescue a lot of seals. |
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bungston - We can add an algorithm to the search program to weed out any objects that are moving along faster or further than a victim would likely move, or which went underwater longer than a victim could stay under without drowning. |
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Nothing wrong with rescuing seals. After those long, cold helicopter flights...well, let's just say you get a bit hungry. |
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While you're at it, can you zero in on some yachts in the Carribean, or Monte Carlo? |
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I think you're overstating current capabilities |
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theircompetitor - I don't know that it's an overstatement, the sources look pretty reliable. Sandia Labs isn't known for making exaggerated claims. I might be a year or two ahead of the technology though (at least what they're willing to admit to). |
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As a scuba- and freediver, I like the concept. |
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I question a couple of things: |
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Processing time and prioritys. I'm not happy knowing that if my boat captain can't find me, I'm relying on a governmental agency to be my rescuer. You can bet I carry emergency gear, and consider myself to be on my own. |
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Thermal image. I doubt very much that my skin temp would differ sufficiently from the sea to show a thermal delta. Especially wearing my wet suit hood, which I'd be a fool to take off. |
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Still, I'd love to see a trial project. Hell, I'll volunteer to be the search subject. |
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Oh, and [shapu], seal is reputed to taste disgusting. |
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Neat. But it won't beat the satellite cell phone w/GPS in a zip-lock bag. Will it work through clouds? WIth waves? Also, not sure we want big brother watching all the time everywhere, with armed helicopters at the ready to go after us. |
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[norm] and [shapu], I can attest to how bad seal tastes, having eaten it in Iceland. |
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Did you make the classic mistake of forgetting to smother it with chocolate [dave]? Oh how those Icelandic types must have laughed behind their hands. |
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Seal tastes like cat, but with a very sticky and cloying fat infused through the meat. You need a good worming several days after consuming it. |
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//tastes like cat// <Makes mental note not to eat at same restaurants as cf> |
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And to think that I thought their smiles were because they were a friendly people. |
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