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From Neatorama:
Okay, that may be overstating it just a bit. But Australian scientists claim to have moved small particles five feet using only light:
The device works by shining a hollow laser beam around tiny glass particles. The air surrounding the particle heats up, while the dark center of the beam stays cool. When the particle starts to drift out of the middle and into the bright laser beam, the force of heated air molecules bouncing around and hitting the particle's surface is enough to nudge it back to the center.
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