“Blurred” flow of time: When quantum mechanics meets general relativity

When measuring time, we normally assume that clocks do not affect space and time, and that time can be measured with infinite accuracy at nearby points in space. However, combining quantum mechanics and Einstein’s theory of general relativity theoretical physicists from the University of Vienna and the Austrian Academy of Sciences have demonstrated a fundamental limitation for our ability to measure time…

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Provided by: University of Vienna
Journal reference: PNAS — Esteban Castro Ruiz et al. Entanglement of quantum clocks through gravity,

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