A Smaller, Faster, Cheaper Route to Fusion Energy

Fusion has the potential to be the perfect energy source—safe, clean, and limitless—but scientists have been struggling to make it work for more than 60 years. Now a change of shape may turn the mainstream reactor design, known as a tokamak, into something simpler, faster, and cheaper. The spherical tokamak is a plumped-up version of the mainstream tokamak reactor but it's shaped more like a cored apple than the traditional doughnut. That simple shape change could open the way to a fusion power plant that would match the International Thermonuclear Experimental Reactor's promise, without the massive scale. 

You can read Science's news feature, The new shape of fusion, to get some more information about this reactor.

You can learn more about the International Thermonuclear Experimental Reactor by going to its website, ITER.

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