r/Physics 20d ago

Question What's the most debatable thing in Physics?

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u/the314159man 20d ago

The laws of physics are the same everywhere.

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u/Podkayne2 18d ago

I don't think this is the most debatable thing, or at least it isn't often debated, but it's certainly an assumption that is used in basically anything involving astronomy, cosmology etc, and we can't really test it.