The ‘funniest’ part of all the talk of curvature et al as if they were fundamental aspects of nature is that they’re nothing but a gradient across space, and ar

The ‘funniest’ part of all the talk of curvature et al as if they were fundamental aspects of nature is that they’re nothing but a gradient across space, and are (currently, at least) best described as curvature in spacetime, but that’s just a physical interpretaton.