A special gel could be the answer to developing lighter and safer personal armor.

UK-based BAE Systems has developed a bulletproof armor made from a liquid that displays a ‘shear-thickening‘ behavior based on non-Newtonian fluid mechanics (think custard powder or cornstarch in water). Unlike conventional thick and heavy bulletproof vests, the liquid armor gel doesn’t require too many complex layers of Kevlar and distributes the energy of an incoming projectile over a large area, resulting in far less penetration. The scientists working on it say that this liquid gel could eventually be used to develop lighter and safer bullet-proof vests for soldiers.

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