Through Nano-Science, Better Body Armor A new material composed of nanospheres is the stiffest organic material ever reported and could lead to everything from tougher metals and composites to better, lighter body armor. U.S. Army New Nanospheres are the Stiffest Biological Materials Ever Created, Surpassing Kevlar -- Popular Science
Protein tougher than metal could be used to print out body armor.
Printable body armor, better bulletproof glass, and tougher steel are just a few of the applications for a new materials technology developed by Israeli researchers. A team of scientists there have developed a transparent material made of self-assembling nanospheres that is the stiffest organic material ever created, surpassing the properties of stainless steel and even Kevlar.
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My Comment: What was once in the realm of science fiction is rapidly becoming reality today. The science of nano technology is only scratching the surface of what is possible today, and its impact on military technologies cannot be underestimated.