Were Fundamental Constants Different in the Past?
- 1 October 2004
- journal article
- Published by AIP Publishing in Physics Today
- Vol. 57 (10) , 40-45
- https://doi.org/10.1063/1.1825267
Abstract
Atomic physics, nuclear physics, and cosmology enable physicists to probe changes in the fine-structure constant over time scales ranging from a few years to nearly the age of the universe.Keywords
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