EnvironmentHow the war in Ukraine will change the way the world uses energy With Russian oil and gas politically toxic, Western nations are scrambling for replacement sources of energy. The immediate future will be difficult, but the crisis could accelerate the transition to clean energy Insight
TechnologyFusion energy record suggests we really could build artificial suns The Joint European Torus has sustained a super-hot plasma for 5 seconds, producing 59 megajoules of energy and suggesting that larger experiments could produce more power than is put in 51¶¯Âþ