MIT and a startup join the commercial fusion race

SPARC fusion reactor
An artist’s conception shows the proposed SPARC tokamak experiment. Using high-field magnets built with high-temperature superconductors, this experiment could be the first controlled fusion plasma to produce net energy output. (MIT PSFC Illustration / Ken Filar)

A new entrant in the race to commercialize fusion energy, Commonwealth Fusion Systems, aims to capitalize on superconductor technology from MIT and $50 million from the Italian energy company Eni.

The collaboration between the Massachusetts Institute of Technology and Commonwealth Fusion, an MIT spinout based in Cambridge, Mass., came to light today after years of work behind the scenes.

“This is an important historical moment: Advances in superconducting magnets have put fusion energy potentially within reach, offering the prospect of a safe, carbon-free energy future,” MIT President L. Rafael Reif said in a news release.

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By Alan Boyle

Mastermind of Cosmic Log, contributor to GeekWire and Universe Today, author of "The Case for Pluto: How a Little Planet Made a Big Difference," past president of the Council for the Advancement of Science Writing.

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