'Tractor beams' of light that pull objects towards them are no longer science fiction. Haifeng Wang at the A*STAR Data Storage Institute and co-workers have now demonstrated how a tractor beam can in fact be realized on a small scale.
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olsen jay nelson's comment,
May 27, 2012 12:27 AM
Ah, I should have examined your history more thoroughly than I did, lol!
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