One fusion startup is betting that a 70-year-old idea can help it leapfrog the competition, so much so that it’s planning to skip the experimental phase and hook its prototype reactor up to the grid.
The decades-old concept, known as a stellarator, is deceptively simple: design a fusion reactor around the quirks of plasma, the superheated particles that fuse and generate power, rather than force the plasma into an artificial box. Easier said than done, of course. Plasma can be fickle, and designing “box” around the fourth state of matter is fiendishly complex.
That’s probably why stellarators
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