this post was submitted on 19 Apr 2024
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Physics

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Does light itself truly have an infinite lifetime? (bigthink.com)
submitted 6 months ago by [email protected] to c/[email protected]
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[–] Raxiel 4 points 6 months ago

That was an enjoyable read. At the end I couldn't help thinking about Penrose' cyclic conformal cosmology, in that a universe with only massless photons, distance becomes meaningless.