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Radio waves drive a fusion plasma current that could help reactors run continuously

Image: Phys.org

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  • Phys.org · October 27, 2026 11:20
    For the first time, a team of physicists in the U.S. has clearly demonstrated a "helicon current drive" in a nuclear fusion experiment. Led by Jeff Lestz at General Atomics, San Diego, the team took advantage of the latest advances in tokamak technology to show that radio waves steered to travel…