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I think the better way to ask this question is: how much large scale spatial variation can there be in the laws of physics so that the observable behavior doesn
by gmueckl 2y ago
I think the better way to ask this question is: how much large scale spatial variation can there be in the laws of physics so that the observable behavior doesn't contradict existing observations? As far as I remember, this has been studied, but I can't find a reference right now.
- canadianfella 2y ago[dead]
- jepler 2y agowikipedia has a high level review of current constraints: https://en.wikipedia.org/wiki/Time-variation_of_fundamental_constants https://en.wikipedia.org/wiki/Time-variation_of_fundamental_... fine-structure constant: less than 10^−17 per year gravitational constant: less than 10^−10 per year proton-electron mass ratio: less than 10^−16 per year