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Need a tow? Scientists Create Tractor Beam
Tuesday, January 29, 2013 4:22
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* NEWS!*
A beam of light shines down upon you and next thing you know, your 100 miles up, on an alien ship. It could happen! Scientists have created a tractor beam, right out of Star Trek.
Scientists Create Small-Scale Star Trek Tractor Beam
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| Image courtesy torontostandard.com |
The UFO hovers above. The crowd rushes to escape as the ship’s doors open, emitting a bright green laser that pulls everything in its path up and into the spacecraft.
Once a thing of pure science fiction, physicists have now created a small-scale real-life tractor beam that can move tiny objects towards a source without physically touching them.
New York University physicists David Ruffner and David Grier set out to experiment with tractor beams after a Chinese research team concluded that using a single laser called a Bessel beam, it should be possible to move particles in a tractor beam manner.
Once a thing of pure science fiction, physicists have now created a small-scale real-life tractor beam that can move tiny objects towards a source without physically touching them.
New York University physicists David Ruffner and David Grier set out to experiment with tractor beams after a Chinese research team concluded that using a single laser called a Bessel beam, it should be possible to move particles in a tractor beam manner.
Now when someone says they saw a cow being lifted up into a space ship, it’s not so crazy after all. Right? -SW
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2013-01-29 03:48:24
Source: http://lightsinthetexassky.blogspot.com/2013/01/need-tow-scientists-create-tractor-beam.html
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