Indeed. So could energy itself in some respects. By GRE, all light cones emanate from the big bang, a single point. If you draw a spacetime graph, you literally

Indeed. So could energy itself in some respects. By GRE, all light cones emanate from the big bang, a single point. If you draw a spacetime graph, you literally get a complex-valued radial tree in real space and complex time where the derivative is always the speed of light. Sorta looks like slime molds, a hydra...a spaghetti monster ;-) [1] Like a Poincare disk: https://fineartamerica.com/shop/posters/poincare+disk https://fineartamerica.com/shop/posters/poincare+disk