French Scientists Achieve 22-Minute Fusion Plasma Breakthrough

French Scientists Achieve 22-Minute Fusion Plasma Breakthrough

By
Pat Morgan

Publish Date:February 22, 2025

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📰 The quick summary: French scientists have maintained fusion plasma for a record 22 minutes, marking significant progress toward developing clean, sustainable nuclear fusion energy.
📈 One key stat: The WEST tokamak machine maintained plasma for 1,337 seconds (over 22 minutes), beating the previous record by 25 percent.
💬 One key quote: “We control its production, but also its maintenance,” said Anne-Isabelle Etienvre, CEA’s head of fundamental research.

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1️⃣ The big picture: Scientists in France have achieved a major milestone in nuclear fusion research by maintaining super-heated plasma for a record-breaking duration. Using the WEST tokamak machine, they sustained plasma for 22 minutes at temperatures exceeding 100 million degrees Celsius. Nuclear fusion aims to recreate the process happening in stars by fusing atomic nuclei, potentially providing clean and nearly limitless energy. This achievement demonstrates improved control over plasma stability, which has been a significant challenge in fusion research.

2️⃣ Why is this good news: This advance brings us closer to developing reliable nuclear fusion energy that can power our future with clean, safe, and abundant electricity. The extended plasma duration shows scientists can better control and stabilize the fusion process, addressing one of the field’s biggest technical hurdles. Better plasma control means more efficient fusion reactions and increased potential for energy production. The lessons learned will help improve future fusion reactors and accelerate progress toward practical fusion power plants.

3️⃣ What’s next: The WEST research team plans to extend plasma durations to several hours while achieving higher temperatures in upcoming experiments. Scientists will study how intense plasma affects their tokamak machine’s interior components. These findings will directly benefit the International Thermonuclear Experimental Reactor (ITER) being constructed in France, though its operations have been delayed until at least 2033.

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Read the full story here: Science Alert – New Record: Reactor Crosses ‘Crucial Milestone’ in Achieving Nuclear Fusion

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