Juris Meija takes a look at the tumultuous past of the atomic unit of mass from its beginnings as an idea to its most recent revisions in a hotel bar.
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Meija, J. The unit that shall not be named. Nat. Phys. 18, 602 (2022). https://doi.org/10.1038/s41567-022-01585-0
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DOI: https://doi.org/10.1038/s41567-022-01585-0
