The unit one is a necessary part of any system of units but debate concerning its proper treatment in science and technology continues. Richard Brown enumerates its uses.
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References
Brown, R. J. C. Metrologia 58, 035014 (2021).
Mills, I. M. Metrologia 31, 537–541 (1995).
Mohr, P. J. & Phillips, W. D. Metrologia 52, 40–47 (2015).
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Brown, R.J.C. One for all. Nat. Phys. 19, 1064 (2023). https://doi.org/10.1038/s41567-023-02098-0
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DOI: https://doi.org/10.1038/s41567-023-02098-0
