Why are bulletproof vests not stabproof?
In: Engineering
A lot of vests are combination stab and ballistic vests, but it really has to do with the forces involved, bullets are relatively soft and deform when the hit the vest which dissipates the energy. A knife is (generally) made from hardened steel, instead of deforming it cuts through the kevlar. To combat this most combination, ot stab vests use a more tightly woven kevlar to prevent it being cut.
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