Researchers make hardened wooden knives that slice through steak

ScienceDaily
Oct 20, 2021, 1:59 pm105 pts
The sharpest knives available are made of either steel or ceramic, both of which are human-made materials that must be forged in furnaces under extreme temperatures. Now, researchers have developed a potentially more sustainable way to make sharp knives: using hardened wood. The method makes wood 23 times…

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