06/03/2026
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Researchers in the United States have developed advanced metal foam materials that are extremely lightweight—some even light enough to float on water—while still capable of absorbing immense impact energy.
Metal foams are created by trapping gas bubbles within a metal matrix, producing a porous internal structure. This design distributes force across thousands of tiny cell walls, allowing the material to absorb and dissipate energy far more efficiently than solid metal of the same weight.
Certain high-performance variants have demonstrated the ability to slow or stop projectiles, including armor-piercing rounds, in controlled laboratory tests. The key lies in how the internal structure fractures and disperses kinetic energy rather than allowing pe*******on.
Beyond defense applications, metal foams are being studied for aerospace, automotive crash protection, and lightweight structural engineering. Scientists say the material represents a shift toward strength through structure rather than mass, redefining how protective systems are designed.
