I learned it like after the fourth there's another, transecting the fourth dimension and fifth, which represents travell in time, alternate time, travel between alternate time, infinaty, travel between infinaties and infinate infinaties.
Theoretical physics: The origins of space and time
“Everything around us — the whole three-dimensional physical world -is an illusion born from information encoded elsewhere, on a two-dimensional chip.” Some researchers believe that physics will not be complete until it can explain not just the behaviour of space and time, but where these entities come from. And to do that, physical theories are going to have to get a lot more strange…
Summaries of Spacetime, Relativity, and Quantum Theories for beginning and advanced visitors, with Links to the Best Websites on Space,Time, Einstein's Relativity, Quantum Gravity, Quantum Physics, Dark Matter and Energy, plus a discussion of the possibility that we live in an essentially atemporal universe.