Episode 66: The Limit of General Relativity with James Owen Weatherall
Physics Frontiers
00:00
General Relativity
There are a couple of different lines of thought on what it would mean for general relativity to break down. One is that singularities, generally speaking, are unphysical and reflect a breakdown of the theory. The other is that low energy theories or effective theories break down at some characteristic energy scale. There's a mismatch between these two ways of thinking because in general relativity, it's not really clear what we mean by high energy.
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