• A Wooden Knife Sharper Than Steel? Scientists Say So https://www.nytimes.com/2022/04/11/us/hardened-wood-knife-history.html 2 comments 11/4/2022

• Scientists create a wooden knife that's three times sharper than steel https://www.cnet.com/news/scientists-create-a-wooden-knife-thats-three-times-sharper-than-steel/ 37 comments 26/10/2021 technology