A yardstick for quantum gravity

Subjects General relativity and gravityQuantum physics Max Planck introduced units of length, time and mass defined solely in terms of fundamental constants.

As Saurya Das explains, these units define a system in which quantum mechanics, relativity, gravity and thermodynamics meet on equal footing. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution Access options Access through your institution Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription $32.99 / 30 days cancel any time Learn more Subscribe to this journal Receive 12 print issues and online access $259.00 per year only $21.58 per issue Learn more Buy this articlePurchase on SpringerLinkInstant access to the full article PDF.USD 39.95Prices may be subject to local taxes which are calculated during checkout ReferencesStoney, G. J. Philos. Mag. 11, 381–390 (1881).Article Google Scholar Planck, M. The Theory of Heat Radiation (trans: Masius, M.) (Dover Publications, 1914).Mohr, P. J., Newell, D. B., Taylor, B. N. & Tiesinga, E. Rev. Mod. Phys. 97, 025002 (2025).Article ADS Google Scholar Weinberg, S. Rev. Mod. Phys. 61, 1–23 (1989).Article ADS Google Scholar Carlip, S. Int. J. Mod. Phys. D 23, 1430023 (2014).Article ADS Google Scholar Download referencesAuthor informationAuthors and AffiliationsQuantum Horizons Alberta, Theoretical Physics Group, Department of Physics & Astronomy, University of Lethbridge, Lethbridge, Alberta, CanadaSaurya DasAuthorsSaurya DasView author publicationsSearch author on:PubMed Google ScholarCorresponding authorCorrespondence to Saurya Das.Rights and permissionsReprints and permissionsAbout this articleCite this articleDas, S. A yardstick for quantum gravity. Nat. Phys. (2026). https://doi.org/10.1038/s41567-026-03283-7Download citationPublished: 15 May 2026Version of record: 15 May 2026DOI: https://doi.org/10.1038/s41567-026-03283-7Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.Copy shareable link to clipboard Provided by the Springer Nature SharedIt content-sharing initiative