May 1, 2023

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To Track Turbulence in Tokamaks, Researchers Turn to Machine Learning

Machine learning techniques track turbulent blobs in millions of frames of video from tokamak experiments.

March 15, 2023

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Resistance in Walls Can Cause Disruptive Energy Loss

Plasma simulations, theory, and comparison with experiment show that resistive wall tearing mode can cause energy loss in tokamaks.

February 2, 2023

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Stuck in the Rough: How Aging Reactor Walls May Exhibit Lower Erosion

Roughening of fusion reactor wall surfaces over time may significantly reduce erosion rate predictions

January 12, 2023

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Tokamak Experiments Provide Unique Data for Validating Spacecraft Heat Shield Ablation Models

Scientists used tokamak plasmas to study how heat shield materials protect spacecraft in the extreme conditions of atmospheric entry.

November 3, 2022

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Predicting Explosive Energy Bursts in Compact Fusion Power Plants

New discovery allows scientists to better stabilize the plasma in future compact fusion reactors.

July 6, 2022

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Scientists Capture a ‘Quantum Tug’ Between Neighboring Water Molecules

Ultrafast electrons shed light on the web of hydrogen bonds that gives water its strange properties, vital for many chemical and biological processes.

May 16, 2022

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For Plasma with a Hot Core and Cool Edges, Super H-Mode Shows Promise

Leveraging peeling physics in current tokamaks improves fusion performance and integrates with exhaust solutions for future fusion reactors.

May 13, 2022

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Researchers Stick Out Their Necks to Understand How Fusion Plasmas Fuel Up

The novel Lyman-alpha Measurement Apparatus (LLAMA) measures neutral particles in a fusion device and the fueling they provide.

April 29, 2022

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The Source of the Aurora Borealis: Electrons Surfing on Alfvén Waves

Laboratory measurements give new insights into the physics of auroral electron acceleration by Alfvén waves.

March 30, 2022

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Taming the Plasma Edge: Reducing Instabilities in Tokamaks

An operating mode called wide pedestal quiescent H-mode allows tokamak operation without detrimental edge instabilities.