An Uncuttable Material Inspired by Abalone Shells A new material called Proteus made from “ceramic spheres embedded in a cellular structure made of metallic foam” that’s believed to be uncuttable could revolutionize security. Inspired by abalone shells—which are composed of an essentially weak material that’s arranged in a manner that makes the shells super-strong—Proteus may be used in various ways, from bank vault doors to …
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