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May 12, 2026

MOU with BIPM and Shimadzu on collaboration toward redefining the second

On May 12, at a ceremony in Kawasaki, Japan, RIKEN, Shimadzu and the Bureau International des Poids et Mesures (BIPM)—the international organization through which states work together on matters related to metrology—signed a Memorandum of Understanding under which they will collaborate to study the feasibility of redefining the second using optical lattice clocks. For more information, see articles on the websites of the BIPM and Shimadzu.

For more information, see the article on the BIPM website.

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