ChaoticSalvation t1_j2b53ws wrote on December 30, 2022 at 11:20 PM Reply to comment by cdstephens in has the speed of light always been constant? by 2bornnot2b We do have very good evidence that energy conservation is false as it is widely accepted that we describe the universe roughly with a FRW metric that explicitly breaks time translational symmetry. Permalink Parent 8
ChaoticSalvation t1_j2b53ws wrote
Reply to comment by cdstephens in has the speed of light always been constant? by 2bornnot2b
We do have very good evidence that energy conservation is false as it is widely accepted that we describe the universe roughly with a FRW metric that explicitly breaks time translational symmetry.