Method #1: Recover from Autosave. By default, Word auto-saves a document every 10 minutes (this can be decreased or increased, see below) that it will automatically recover if the document closed due to a malfunction. Word will not auto-save a file that has been closed willingly using the Word close button.
â¢ Is metal one of the hardest material in the world? Yes, they are but the hardest material in the world known to mankind is DIAMOND. â¢ What is the hardest metal? The hardest known metal alloy, and the hardest known metal in general, is a type of carbon steel, Alloy 1090. With a tensile strength of .84 GPa (122,000 psi) and a yield strength of .64 GPa. (67,000 psi), carbon steel is surpassed in hardness only by very hard nonmetals, such as ruby, diamond, or aggregated diamond nanorods.
Strong and Porous. For years, researchers have known that carbon, when arranged in a certain way, can be very strong. Case in point: graphene. Graphene, which was heretofore, the strongest material known to man, is made from an extremely thin sheet of carbon atoms arranged in two dimensions. But thereâs one drawback: while notable for its thinness and unique electrical properties, itâs very difficult to create useful, three-dimensional materials out of graphene.