Liquid armor has been shown to stop bullets more effectively than plain Kevlar, according to British firm BAE Systems.
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.
Shear-thickening liquids are composed of hard nanoparticles suspended in a liquid, which turns rigid after being struck with a bullet or shrapnel.
From British-Designed ‘Bulletproof Custard' Liquid Armor Is Better than a Kevlar Vest by Rebecca Boyle, July 9, 2010, at Popular Science.
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