ææç§å¦é¢é£ã®æ»èªä»ãç§å¦èªã§ããMatterã§2021å¹´10æ20æ¥ã«çºè¡¨ãããè«æã®ä¸ã§ãæ¨æãå¾æ¥ã®23å硬ãããå å·¥æ¹æ³ãçºè¡¨ããã¾ããããã®æ¹æ³ã§å å·¥ããã硬åæ¨æãç¨ãã¦ãã¤ããä½ãã°ãã¹ãã³ã¬ã¹ã¹ãã¼ã«è£½ã®ãã¤ãããã3ååãå³ãéããã¤ããå®æãã¾ãã Hardened wood as a renewable alternative to steel and plastic: Matter https://doi.org/10.1016/j.matt.2021.09.020 Researchers make hardened wooden knives that slice through steak https://phys.org/news/2021-10-hardened-wooden-knives-slice-steak.html é£äºã«ä½¿ç¨ãããã¤ãã¨ããã°ã¹ãã³
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