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Old 11-15-2012, 03:36 PM   #11 (permalink)
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I prefer Sino-Soviet body armor (aka stand behind another peasant)
Certainly gives you more stand off.

If the numbers are true, it sounds like some impressive stuff. Seems sketchy though.
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Old 11-15-2012, 08:39 PM   #12 (permalink)
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I'm not sure if I am reading this right but the layers(plural) are only 20nm thick but they dont specify how thick the assembled bit of polymer they shot with 9mm is.

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The type of material, called a structured polymer composite, can actually self-assemble into alternating glassy and rubbery layers. When performing ballistic tests on the material at MIT's Institute for Soldier Nanotechnologies, those 20-nanometer-thick layers were able to stop a 9-millimeter bullet and seal the entryway behind it,
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Old 11-15-2012, 09:07 PM   #13 (permalink)
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paper thin bullet proof fabric? people already get bruises from being shot through kevlar, what if this prevents bullet penetration but at the cost of breaking every bone in that area? guy might be as injured as actually getting shot...
check out this stuff

The Box O' Truth #16 - Level IIIA Armor - Page 1

imagine the busted ribs on some of those
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Old 11-15-2012, 09:12 PM   #14 (permalink)
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It should make removing bullets that embed in your flesh easy. Imagine a bulletproof shirt, it wont penetrate the shirt but it will rip through your body inside it.

Neat technology nonetheless, i am sure it will save lives when implemented properly.
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Old 11-15-2012, 09:14 PM   #15 (permalink)
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You don't wear a Kevlar shirt do you? It wouldn't be used on its own. But combined with a non Newtonian fluid it may work well, as another poster mention.
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Old 11-15-2012, 09:29 PM   #16 (permalink)
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How about we just stop shooting people?

That'd be too easy right?
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Old 11-15-2012, 10:19 PM   #17 (permalink)
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Originally Posted by Ramous View Post
How about we just stop shooting people?

That'd be too easy right?
sure, people will just move on to stabbing

btw, how does that material work against knives? i know kevlar supposedly can stop bullets but not knives.
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Old 11-16-2012, 12:38 AM   #18 (permalink)
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I'm not sure if I am reading this right but the layers(plural) are only 20nm thick but they dont specify how thick the assembled bit of polymer they shot with 9mm is.
^This
The material stopping bullets isn't 20nm thick, the alternating layers of rubbery and glass like sections are 20nm thick. The articles posted don't actually specify how thick it has to be to stop a bullet.
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Old 11-16-2012, 12:55 AM   #19 (permalink)
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If you watch the video in the second link you will see them talking about a way of finding out how polycarbonate type material works to stop bullets. They made a test material made of alternate layers 20nm thick, shot it with micro-bullets, then cross sectioned the material to see what happened to the layers. This isn't a new material it is a new way to find out how existing material works.
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Old 11-16-2012, 12:56 AM   #20 (permalink)
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Quote:
Originally Posted by PolarMonkey View Post
^This
The material stopping bullets isn't 20nm thick, the alternating layers of rubbery and glass like sections are 20nm thick. The articles posted don't actually specify how thick it has to be to stop a bullet.
It was also only ever shot with a small glass pellet never a real bullet. It may be travelling at the same speed but mass plays an important role in the energy (mind you, you could increase the velocity high enough to account for the discrepancy in mass fairly easily).

None the less this is an interesting development, seems like it could be the interim between current tech and carbon nano tubes.

EDIT @ MarkT: You are correct, the material itself is not new, it was the analysis performed and the manufacturing process that is new. The analysis of the polycarbonate lead them to observe a certain behaviour, then they extrapolated from that devising a method to take advantage of the knowledge in a new way. Same way that Spectra (for example) is not a new material by any stretch, the thing that is new and interesting about it is the specific blend of existing materials and the weave. At least that is my understanding of it.
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