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Nuclear fusion: it's time for a reality check
Letters: Significant obstacles lie ahead in the quest for commercially viable nuclear fusion, writes Luca Garzotti
Before we start talking about nuclear fusion via magnetic confinement as a commercially viable source of energy, five main challenges have to be met by the scientific community, each one of them a potential showstopper. 4) That the materials used to build such a plant can withstand the neutron fluence coming from the burning plasma without losing their structural properties and without becoming excessively radioactive. The reward for finding a solution will be immense and therefore research must continue with humility and tenacity, but there is no room for overoptimistic or triumphalist statements, which can only undermine the credibility of the scientists and engineers working on the problem.
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