Under theories like loop quantum gravity, doesn’t some “fabric of spacetime” exist? I would call that a refinement of the idea of the ether. It has odd properties in order to allow relativity, but it hasn’t been ruled out.
Under theories like loop quantum gravity, doesn’t some “fabric of spacetime” exist? I would call that a refinement of the idea of the ether. It has odd properties in order to allow relativity, but it hasn’t been ruled out.