#61

Tractor Beam: Activated!

Physicists are finally able to pull objects with light, Star Wars-style. 

RELATED TAGS: PHYSICS, GADGETS
Normally, photons push matter away from a light source — picture the sun’s rays pushing away a comet’s tail. But Čižmár and colleagues at the Czech Institute of Scientific Instruments reported in January that they had figured out how to pull microscopic Styrofoam particles with light.
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