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The new kilogram for new technology

The shift of the definition of the kilogram in 2019 away from an artefact to one relying on the Planck constant inspires technological innovation, as Naoki Kuramoto elucidates.

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Correspondence to Naoki Kuramoto.

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Kuramoto, N. The new kilogram for new technology. Nat. Phys. 18, 720 (2022).

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