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Metrology

Metrology

Quantum calorimeter is as precise as nature allows

30 Jan 2020
Conceptual diagram showing a piece of copper with a thermometer attached to it, floating above a surface marked by fluctuations
Hot topic: Measurements of tiny temperature changes could help monitor the workings of superconducting quantum computers. (Courtesy: Safa Hovinen, Merkitys)
How do you define the position of something that won’t stay still? This is the problem physicists

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Marric Stephens is a freelance science writer based in Bristol, UK
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