Physicists create a working transistor from a single atom

	Fabrication of the protein transistor.

John Markoff reports in the New York Times of 19 February 2012 that Australian and American physicists have built a working transistor from a single phosphorus atom embedded in a silicon crystal.

The group of physicists, based at the University of New South Wales and Purdue University, said they had laid the groundwork for a futuristic quantum computer that might one day function in a nanoscale world and would be orders of magnitude smaller and quicker than today's silicon-based machines.

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