Fusion reactor set up for fuel testing

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The Joint European Torus has started conducting experiments with tritium fuel Credit: EUROfusion (CC BY 4.0)

A mini version of ITER, the largest nuclear fusion experiment in the world, is gearing up to launch fundamental fuel tests. The Joint European Torus (JET) in Great Britain is a brother of the ITER project in France: it has the same donut-shaped “tokomak” design as the French project, but one-tenth of its volume. In June, JET will try to fuse tritium and deuterium, the fuel mixture that ITER will use. ITER aims to create more power someday from a fusion reaction compared to the one introduced, which has never been demonstrated before.

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