The US led on nuclear fusion for decades. Now China is in position to win the race

The bustling city of Shanghai marks national celebrations with world-famous light shows, illuminating its skyscrapers with dazzling colors, like beacons of Chinese innovation. It is here that scientists and engineers work around the clock to pursue the next big thing in global tech, from 6G internet and advanced AI to next-generation robotics. It’s also here, on an unassuming downtown street, a