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Dust: Trapped by a laser or threatening ITER, it’s making headlines

September 17, 2024, 7:02AMNuclear News

An optically trapped microparticle in high vacuum is visible as a white dot levitated between two lenses, which are used to focus and collect invisible infrared laser light used to trap the particle. (Photo: DOE/Yale Wright Lab)

Start talking about dust in a vacuum, and some people will think of household chores. But dust has featured in recent nuclear science and engineering headlines in curious ways: ITER is deploying oversized dust covers inspired by space satellites in the south of France, while at Yale University, researchers have watched every move of a dust-sized particle levitating in a laser beam for telltale twitches that indicate radioactive decay.

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Dust: Trapped by a laser or threatening ITER, it’s making headlines

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