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Researchers with #North #Carolina State and the #US #Army Research, Development and #Engineering Center have combined multiple bullet-stopping materials into a single piece of armor. With a thickness of just 25 millimeters, the armor consists of “ceramics as the strike face, composite metal foam processed by powder metallurgy technique as a bullet kinetic energy absorber interlayer, and aluminum 7075 or #Kevlar™ panels as backplates,”  according to the 2015 study.

Read more at: http://www.csmonitor.com/Technology/2016/0409/Scientists-invent-metallic-foam-that-shatters-bullets