Denver start-up Xcimer aims for cheap fusion power

Denver-based start-up Xcimer aims to harness nuclear fusion using powerful lasers, planning to experiment with systems that can deliver up to 20 megajoules of energy. This follows a breakthrough at the National Ignition Facility in 2022, where controlled fusion produced more energy than supplied. Xcimer has raised $100 million to develop its technology, with hopes of connecting a working reactor to the grid by the mid-2030s.