Tractor beam is “science fiction made real”David Griermicroscopic particlesTractor beam
Physicists have created a tractor beam capable of pulling microscopic particles.
Its potential uses range from microfluidics to far-out tasks like grabbing dust samples from comet tails.
“This is science fiction made real,” says David Grier, physics professor at New York University and one of the paper’s co-authors. “This tractor beam moves objects back to its source, just like those in so many sci-fi movies, but with very small pieces.”
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