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Light could levitate micron-thin aircraft in Earth’s mesosphere

08 Mar 2021
Mohsen Azadi in the lab
Delicate work: Mohsen Azadi carefully wields a scalpel while preparing a photophoretic levitation experiment. (Courtesy: Eric Sucar/University of Pennsylvania Communications)
A new light-driven levitation technique could soon enable tiny, low-cost aircraft to achieve the fir

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Sam Jarman is a science writer based in the UK
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