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Tiny ‘dumbbells’ that spin 60 billion times a minute may help solve quantum mysteries

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Spinning objects are hypnotic and fascinating, as last year’s fidget-spinner craze overwhelmingly demonstrated. But even the fastest fidget spinner trails the new reigning champion of fast-whirling objects: a tiny dumbbell that can rotate 60 billion times per minute.

It’s enough to make your head spin.

Spin doctors — er, researchers — recently created the nanoscale rotor and levitated it in a vacuum, blasting it with lasers to set it spinning. Their research, described in a new study, could help reveal how different substances respond under extreme conditions and how friction behaves in a vacuum, Tongcang Li, an assistant professor of physics and astronomy, as well as electrical and computer engineering, at Purdue University, said in a statement.

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Researchers at Purdue University have levitated a nanoparticle in vacuum and driven it to rotate at high speed, bringing them one step closer to figuring out the properties of vacuum and quantum mechanics.

Researchers at Purdue University have levitated a nanoparticle in vacuum and driven it to rotate at high speed, bringing them one step closer to figuring out the properties of vacuum and quantum mechanics.Vincent Walter / Purdue University

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Click link below for article:

https://www.nbcnews.com/mach/science/tiny-dumbbells-spin-60-billion-times-minute-may-help-solve-ncna894121

 

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