A raft of start-up firms is betting on nuclear fusion0

• SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
• August 29, 2026

D-shaped magnets form part of a tokamak that is being built for a nuclear-fusion pilot project. Credit: Commonwealth Fusion Systems About a dozen technicians, in hard hats and protective clothing, move around a large, double-height room. Some are checking pipes coming up through the floor into a raised, circular platform. Others work on instruments installed