I was very lucky and in middle school in the 70s came across the work of Charles Howard Hinton. Changed my life and view of universe. <br>But I'm pretty sure we can describe this one using only 3 physical dimensions and compactified time. <br>This allows every point in the universe to be in contact via infinitesimal NOW. Which also allows and explains entanglement. Kaluza Klein for 3 dimensions and compact time down there in the corner.