Transistors based on carbon rather than silicon could potentially boost computers' speed and cut their power consumption more than a thousandfold—think of a mobile phone that holds its charge for months—but the set of tools needed to build working carbon circuits has remained incomplete until now.
A team of chemists and physicists at the University of California, Berkeley, has finally created the last tool in the toolbox, a metallic wire made entirely of carbon, setting the stage for a ramp-up in research to build carbon-based transistors and, ultimately, computers.
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