what if it wasn't in the void but around it. Like two ply toilet paper ( sorry for the lame example). It can curve and bend in parallel to the other. Each spacetime would have it's own presumed "antimatter and matter" but really it all falls under one or the other. A perfect opposite to the...
Is it possible for two plains of parallel spacetime to exist separated by some sort of void? One being antimatter and one being matter with the void bringing neutral territory. Like a piece of paper between two big magnets.