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Scientists create working tractor beam
Scientists have created a working tractor beam that can move small objects using sound waves.
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The World of Technology 15 videos
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Scientists create working tractor beam
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SAN FRANCISCO, CA - SEPTEMBER 29: An attendee inspects the new Nexus 5X phone during a Google media event on September 29, 2015 in San Francisco, California. Google unveiled its 2015 smartphone lineup, the Nexus 5x and Nexus 6P, the new Chromecast and new Android 6.0 Marshmallow software features. (Photo by Justin Sullivan/Getty Images)
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