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Quantum

Quantum

Nanoscale clock hints at universal limits to measuring time

21 Jun 2021 Maria Violaris 
Conceptual image showing a clock and an equation
Tick tock tariff: A wiggling "nano-clock" reveals the entropic cost of measuring time. (Courtesy: Natalia Ares)
Imagine the sound of a ticking clock. How much time passes between each tick? For a good clock, the

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Maria Violaris is a PhD student contributor to Physics World. Maria studies quantum information and quantum thermodynamics at the University of Oxford. Find out more about our student contributor networks
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