Some newly developed body armor, made out of a metal construction that's actually called foam, is strong enough that bullets don't bounce off of it or stick in it -- they shatter when they hit. The "foam" is made of tiny hollow steel spheres embedded in a steel matrix or framework. It absorbs the impact energy of the bullet while an outer layer is hard enough so that the remaining energy of the projectile shatters it. The construction is also supposed to offer significant protection against heat.
Clark Kent, please call your office...
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