Source: China – South China Morning PostUsing a diamond to cut glass is not news, but a research team in northern China recently developed the world’s hardest glassy material that can leave a deep scratch on the surface of a diamond with ease.The (tentatively named) AM-III, a transparent, somewhat yellowish material made entirely of carbon, reached 113 gigapascals (GPa) in a Vickers hardness test.In comparison, a natural diamond stone usually scores 50 to 70, with some man-made pieces topping at 100 GPa.Though mass production could…Read More