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Nature 445, 362-363 (25 January 2007) | doi:10.1038/445362a; Published online 24 January 2007

High-density memory: A switch in time

Philip Ball1

  1. Philip Ball is a consultant editor for Nature.

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By 2020 the semiconductor industry wants a memory device that can store a trillion bits of information in an area the size of a postage stamp. As companies race towards this goal, chemists are coming up with an unusual approach. Philip Ball reports.

It's a new year. But in the labs of Jim Heath and Fraser Stoddart in California, that year is not 2007, it's 2020.

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