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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.Vincent Walter / Purdue University
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