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Title: Lasers can act as 'tractor beams' Post by: Saniya Abraham on March 04, 2011, 10:41:41 AM Lasers can act as 'tractor beams'
Research predicts the science-fiction mainstay of "tractor beams", showing that precisely-shaped laser beams can draw small particles backward. http://www.bbc.co.uk/go/rss/int/news/-/news/science-environment-12620560 |