For the first time, artificial intelligence has been used to control the super-hot plasma inside a fusion reactor, offering a new way to increase stability and efficiency
Fusion reactors promise cheap, abundant and relatively clean energy – if we can get them to work. Now, thanks to artificial intelligence firm DeepMind, fusion researchers are one step closer to extracting power from plasma hotter than the surface of the sun.
These magnetic fields are essential for keeping the plasma generated by the reactor safely contained. If the plasma touches the walls of the reactor it rapidly cools, stifling the reaction and potentially causing significant damage.
at EPFL says that although there are many theoretical approaches that could be used to contain the plasma with a magnetic coil, scientists have tried-and-tested strategies. But the AI surprised the team with its novel approach to forming those same plasma shapes with the coils. “Once this is done, this is not the end of the story. Then you have to make it a power plant,” he says. “And this AI is, in my opinion, the only way forward. There are so many variables, and a small change in one of them can cause a big change in the final output. If you try to do it manually, it’s a very lengthy process.”
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