picometer :

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  • n  a metric unit of length equal to one trillionth of a meter
News & Articles

  • Geodesy Applications Pursued For Atom Optics
    An atom interferometer under development to measure gravitational ripples in space-time with picometer-level sensitivity could also advance geodesy, the science of measuring the Earth’s size, shape and gravitational field.
    Nov. 14, 2013 - PhotonicsOnline

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