U.S. Army researchers have devised a method to produce ceramic body armor, lightweight but strong, from a 3-D printer. Except that 3-D printers are meant to print out knickknacks, not flak jackets.
Opinions expressed by Entrepreneur contributors are their own. If Vincent Van Gogh were alive today, doctors could have replaced his ear like new, thanks to recent mind-blowing breakthroughs in 3-D ...
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