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NYU Professors Invent Real-Life Star Trek Tractor Beam
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Tractor beams, devices that use energy to move objects, are no longer the stuff of Trekkie dreams.
Two New York University professors developed a technique for harnessing “Bessel beams” to attract a particle towards a source, according to science website Phys.org.
SEE ALSO: Hey Space Geeks: Help This Guy Build a Real Starship Enterprise [VIDEO]
In a paper entitled “Optical Conveyors: A Class of Active Tractor Beams,” David Ruffner and David Grier describe how they were able to pull 30 micrometer-sized silica spheres suspended in water, towards a laser source, the site reports. Check out the video above to see how the Bessel beams work.
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More About: New York University, Star Trek, tractor beam
source: http://feeds.mashable.com/~r/Mashable/~3/RJCzLh-u9sw/
2012-10-25 02:01:51
Source: http://someit.com/2012/10/25/nyu-professors-invent-real-lif/
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