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No pressure, you have time

Surface scientists love a good vacuum. The reason for this is captured by the work of Irving Langmuir and the little-known unit bearing his name, explains Daniel Payne.

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  1. Langmuir, I. J. Am. Chem. Soc. 40, 1361–1403 (1918).

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  2. Cao, Y. et al. Nature 556, 43–50 (2018).

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  3. Vonnegut, K. Cat’s Cradle (Holt, Rinehart and Winston, 1963).

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Correspondence to Daniel T. Payne.

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Payne, D.T. No pressure, you have time. Nat. Phys. 17, 417 (2021).

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