James Owen, former chief engineer for nuclear weapons at Los Alamos National Laboratory, has joined the nuclear fusion startup Fuse, where he will leverage his extensive expertise in nuclear science to drive advancements in fusion technology and engage with U.S. governmental agencies on radiation services. This move highlights the growing interest and investment in nuclear fusion as a potential clean energy source to meet the escalating power demands of the AI industry and other sectors, despite the challenges and controversies surrounding nuclear energy.