How to Squeeze a Plasma

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Science  13 Oct 2006:
Vol. 314, Issue 5797, pp. 239
DOI: 10.1126/science.314.5797.239

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After numerous attempts during the 1940s and 1950s to find an arrangement of magnets to confine a plasma--an ionized gas--two Soviet physicists came up with the tokamak. The name derives from the Russian words for "toroidal chamber in magnetic coils." (Read more.)