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Published online 9 August 2000 | Nature | doi:10.1038/news000810-7

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A new kind of computer comes a step closer with a demonstration of its basic switching device, Philip Ball reports.

The construction of a completely new kind of computer that dispenses with transistors might be made easier by findings now described in Applied Physics Letters1. Researchers in America say that they have figured out how to make logic circuits without wires.

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