Many Shapes for a Fusion Machine

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Science  06 Aug 1999:
Vol. 285, Issue 5429, pp. 822
DOI: 10.1126/science.285.5429.822

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Despite the recent troubles of the International Thermonuclear Experimental Reactor, a project to build a giant doughnut-shaped machine called a tokamak, other tokamaks continue to lead the magnetic-confinement fusion field. But in labs around the world, researchers are working on alternative fusion machines that they hope will confine plasma more effectively or efficiently.