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Real-life Tractor Beam Developed

Real-life Tractor Beam Developed

Physicists are one step closer to making sci-fi technology a reality by inventing a working tractor beam. New York University physicists David B. Ruffner and David G. Grier have successfully demonstrated a way to harness Bessel beams to trap and move particles. It's a long way off from grabbing star ships in space, but someday soon there may be scientific and military applications for this technique. More at Business Insider.

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