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News Link • Inventions

Carbon, Bacteria, and Fish Balls: The Machines of the Future

•, By Caleb Garling
This past week, with a paper published in the academic journal Nature Communications, researchers at Friedrich-Alexander University Erlangen-Nuremberg in Germany and the Swedish research institute Acreo AB revealed a new means of building chips using graphene -- a substance long hailed as the future of micro-electronics -- and their work takes the material that much closer to fulfilling its potential.

Graphene is essentially sheets of carbon measuring a single atom thick, and it can carry electric charges much faster than materials used in today's chips. Its discovery won the Nobel Prize for two University of Manchester scientists, but we're still a long way from seeing it in commercial processors. Though graphene is wonderfully adept at conducting electricity, it doesn't work quite as well as a semiconductor -- which is essential to building transistors -- and it doesn't easily connect to other parts of a chip.

But we're closer than we were before. As reported by the BBC, the German and Swedish researchers have honed a new breed of graphene that's made using a substance called silicon carbide. Silicon carbide is basically a crystal made from silicon and carbon, and if you heat it up, the silicon atoms will rise up from the crystal, leaving a layer of graphene below.

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