Taking a second look at evidence for the 'varying' fine-structure constant

(PhysOrg.com) -- A few weeks ago, a group of scientists from Australia posted a study at arXiv.org that showed evidence that the fine-structure constant may not actually be a constant. If the fine-structure constant does vary throughout the universe as their data seems to show, it would mean that the laws of physics also vary throughout the universe, with huge implications. But over the past few weeks, a few blogs by physicists not involved in the study have offered some early criticism of the authors' results.

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