JET research reactor: European project reports “world record” in nuclear fusion. 69 megajoules of energy were produced from 0.2 milligrams of fuel.
Fusing atomic nuclei could be an efficient, safe and environmentally friendly source of energy. It would be a tool in the fight against the climate crisis, which is also why politicians and scientists have a lot of hope in the method. Although research is making progress, large-scale use of nuclear fusion is still a long way off.