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Nuclear fusion

Nuclear fusion

A commercial path to fusion

05 Aug 2019
This article first appeared in the 2019 Physics World Focus on Instruments & Vacuum

Fusion energy has long been a goal for scientists and sustainable energy proponents alike. In recent years, several private firms have joined the effort. Here, Alex Creely and Erica Salazar describe how one such company, Commonwealth Fusion Systems, is betting on advanced magnet technologies to make the fusion dream a reality

The proposed SPARC tokamak experiment aims to be the first controlled fusion plasma to produce net energy output.
Ambitious goals Using high-field magnets built with newly-available high-temperature superconductors, the proposed SPARC tokamak experiment (shown here in a visualization by Ken Filar) aims to be the first controlled fusion plasma to produce net energy output. (Courtesy: Ken Filar, PSFC research affiliate)
Fusion, with its promise of unlimited, safe, carbon-free energy, has for many years occupied a speci

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Alex Creely is a visiting scientist at MIT and Erica Salazar is a PhD student at MIT whose work focuses on high-temperature superconducting magnet R&D for the SPARC project, e-mail acreely@mit.edu, ericasal@mit.edu
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