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Published online 8 April 1999 | Nature | doi:10.1038/news990408-2

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Table-top nuclear fusion

Researchers in the United States have achieved thermonuclear fusion using table-top laboratory equipment: and before you ask, this isn't a replay of the largely discredited 'cold' fusion reported a few years ago. Writing in Nature [8 April], Todd Ditmire and colleagues from the Lawrence Livermore National Laboratory in Livermore, California describe how they used compact but powerful lasers to excite thermonuclear fusion in a jet of deuterium ('heavy' hydrogen) gas.

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