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Submission + - Researchers Create Real Tractor Beams (gadgetank.com)

Gadgetank writes: Researchers out of the Australian National University have created a device, working in conjunction with other necessary devices, that can literally move small particles with light. And only light. The way it works, is by shining a hollow laser beam around some tiny glass particles. The researchers heat the air around the particles, and therefore cause the dark center of the beam to remain cool.

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