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  • Bessel Beam ‘Tractor Beam’ Concept Theoretically Demonstrated
    By on May 25, 2012 | Comments Off  Comments

    cylonlover writes “Last year, NASA revealed it was evaluating three potential ‘tractor beam’ technologies to deliver planetary or atmospheric particles to a robotic rover or orbiting spacecraft. At the time, the third of these, which involved the use of a Bessel beam, only existed on paper. Researchers at Singapore’s Agency for Science, Technology and Research (A*STAR) have now proven the theory behind the concept, demonstrating how a (more…)