A revolutionary new armor relies on a liquid that hardens when something hits it, promising unprecedented protection while letting soldiers move freely, unrestricted by bulk and weight.
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Formally known as Shear Thickening Liquid, the fluid has special particles that are freely suspended. The particles collide when the fluid is disturbed, which creates a resistance to the disturbance.
When the force of the disturbance is large enough, the particles will then actually “lock” together. So when a bullet hits the material at speed, the liquid armor absorbs the impact energy and hardens extremely quickly.