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Planck-Scale Physics: Facts and Beliefs

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Abstract

The relevance of the Planck scale to a theory of quantum gravity has become a worryingly little examined assumption that goes unchallenged in the majority of research in this area. However, in all scientific honesty, the significance of Planck’s natural units in a future physical theory of spacetime is only a plausible, yet by no means certain, assumption. The purpose of this article is to clearly separate fact from belief in this connection.

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Correspondence to Diego Meschini.

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Meschini, D. Planck-Scale Physics: Facts and Beliefs. Found Sci 12, 277–294 (2007). https://doi.org/10.1007/s10699-006-9102-3

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