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Optisk tid – en pågående revolution inom tidsmätning
RISE Research Institutes of Sweden, Safety and Transport, Measurement Technology.ORCID iD: 0000-0001-9068-6031
2020 (Swedish)In: Kosmos, p. 132-146Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [sv]

Definitionen av en sekund spelar en grundläggande roll också för definitionerna av många av de andra grundenheterna. Inte minst gäller detta metern. Martin Zelan förklarar för oss att bakgrunden till detta är extremt noggranna klockor. Dessa beskrivs, liksom kopplingen till metern via ett fixt värde på ljushastigheten.

Place, publisher, year, edition, pages
2020. p. 132-146
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Natural Sciences
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URN: urn:nbn:se:ri:diva-57530OAI: oai:DiVA.org:ri-57530DiVA, id: diva2:1625049
Available from: 2022-01-05 Created: 2022-01-05 Last updated: 2023-05-25Bibliographically approved

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