Superconducting quantum interference devices can accurately measure temperatures even below 1 mK, but there’s more to them — as Thomas Schurig explains.
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Schurig, T. Cool sensing. Nat. Phys. 15, 870 (2019). https://doi.org/10.1038/s41567-019-0604-7
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DOI: https://doi.org/10.1038/s41567-019-0604-7
