Production of the Graphene Powder Graphene is a single atom-thick piece of carbon which is extremely robust. Its hexagonally-connected carbon atoms provide it with strength and a very thin, lightweight form. The material is now the preferred choice f…
Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…
Under the spread of the new crown epidemic, after Americans experienced life and death, they set off the largest "resignation wave" in history, and the number of resignations broke the highest record since statistics began in 2000. Since April this y…