The next generation of bullet-proof vests may be made of a material that is spongey foam made of metal. Sound crazy? The properties of this newly developed composite metal foam (CMF) really are. Developed by researchers at North Carolina State University, this super-material could make a car crash at 28mph feel like it was crashed at 5mph for the passengers, if applied to a car bumper. This CMF is also twice as good at handling fire and heat as the metals they're made of. Eventually, CMFs could be used for fittings inside nuclear waste facilities, parts of spacecraft, and present in medical equipment.
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