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Laser Physics
    
  A beam of laser light (red) should be able to cause a glass bead of approximately 300 nanometers in diameter to levitate, and the floating bead would be exquisitely sensitive to the effects of gravity. Moving a large heavy object (gold) to within a few nanometers of the bead could allow the team to test the effects of gravity at very short distances.
*Physics

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August 31, 2010

Reference Number
                                10PHY029

Credit
                                Credit: K. Talbott/NIST

Image Type
                    Infographic HEADQUARTERS
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