<ul><li>A letter from Luca Garzotti points out the challenges that need to be addressed for nuclear fusion to become a commercially viable source of energy.</li><li>These challenges include running a burning plasma for extended periods without disruptions, handling and exhausting the heat, producing more tritium than is burned, ensuring materials can withstand the neutron fluence, and operating and maintaining a fusion reactor reliably.</li><li>Although progress is being made, the solution to these challenges is not expected in the near future.</li><li>The letter emphasizes the need for continued research and urges against overoptimistic or triumphalist statements that can undermine the credibility of scientists and engineers.</li></ul>

Nuclear fusion: it’s time for a reality check | Letters

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