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Silicon chip speed record broken on a lead-coated track

from NewScientist

A "RACETRACK" capable of shuttling electrons around at high speed has set a new record for silicon chips, the cornerstone of computing. Electrical resistance imposes a strict speed limit on electrons travelling through silicon. To break this limit, computer scientists are considering replacing silicon with carbon, as atom-thick sheets of carbon, or graphene, conduct electricity better than any other substance at room temperature. Read the associated Physical Review Letters article. more


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