The 'dumb machine' promising a clean energy breakthrough12 hours agoBen MorrisTechnology of Business Editor
Proxima Fusion A mock-up of a stellarator. It is a large doughut shape, but with curves and twists. Proxima Fusion
A stellarator has twists and curves to help contain burning plasma

"I remember a few people said that the place where Proxima is today was impossible," says Francesco Sciortino, the co-founder and CEO of Proxima Fusion.

Being accused of attempting the impossible is not unusual for the scientists and engineers working on nuclear fusion projects around the world.

After all, they are attempting to capture, on Earth, the reaction that powers the Sun.