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Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory

SQL for Measuring Force

Caption: Mechanical oscillators translate an applied force into measureable mechanical motion. The Standard Quantum Limit is imposed by the Heisenberg uncertainty principle, in which the measurement itself perturbs the motion of the oscillator, a phenomenon known as 'quantum back-action.'

Credit: Image by Kevin Gutowski

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Related news release: Not much force: Berkeley researchers detect smallest force ever measured


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