PNAS Cover: Optical-Tweezers (IMAGE)

DOE/Argonne National Laboratory

PNAS Cover: Optical-Tweezers

Caption

Scientists have found a way to use "optical tweezers" by employing lasers, a mirror and a light modulator to anchor a crystal in solution. The "tweezers" have made it possible to conduct X-ray diffraction measurements of a crystal suspended in solution.

Credit

Robert Horn/Argonne National Laboratory

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