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British-Designed ‘Bulletproof Custard’ Liquid Armor Is Better than a Kevlar Vest

• Rebecca Boyle via PopSci
 quid armor has been shown to stop bullets more effectively than plain Kevlar, according to British firm BAE Systems. The material could be used to make thinner, lighter armor for military personnel and police officers, the BBC reports.

Materials scientists combined a shear-thickening liquid with traditional Kevlar to make a bulletproof material that absorbs the force of a bullet strike by becoming thicker and stickier.

Its molecules lock together more tightly when it is struck, the scientists explained -- they described it as "bulletproof custard," the BBC reports.

1 Comments in Response to

Comment by Die Daily
Entered on:

Fill a steel pot with a thick cornstarch and water solution. Smack it HARD with a hammer. The hammer will bounce off completely dry, exactly as though it had hit cement, minus the flying chips. A slow knife thrust, on the other hand, will pass straight through it unimpeded. Sound like Dune to anyone? The "fluid" they use is made of polymers that are far longer than starch molecules, even, and instead of water, it's a more viscous oil-like fluid (except unlike oil, it's polar like solvents).

Also, replaceable composite armor packs for tanks have been using liquids, oils or gels for decades. It's one of the very few known ways to defocus the impulse delivered by shaped charges, another being to actually incorporate explosives themselves into the armor pack (not a great idea for vests!) These techniques are pretty much useless against DU projectiles, especially the "self-sharpening" ones.


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