A Real-Life Tractor Beam
Two New York University researchers have boldly gone where no man has gone before. David B. Ruffner and David G. Grier have perfected the first real-life Tractor Beam –using Bessel Beams to move particles in a lab. So far, it’s only worked on molecules and the smallest particles, but how long before we can haul starships across the galaxy? H/T SourceFed
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