magnetic bottle

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A nonuniform magnetic field used to contain the plasma in a thermonuclear experimental device. At the temperature of a thermonuclear reaction (108 K) any known substance would vaporize and the plasma has therefore to be contained in such a way that it does not come into contact with a material surface. The magnetic bottle provides a means of achieving this, by deflecting away from its boundaries the moving charged particles that make up the plasma.

Subjects: Physics.

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