What is space-time?
Well we all know of its description in terms of Einstein’s Special and General Relativity papers, not to mention countless other interpretations and further work to Einstein’s original thought experiments, from John Archie-ball Wheeler through to modern-day scientists such as Kip Thorn, Paul Davies, Michio Kaku, Roger Penrose and Stephen W. Hawking, to name a few.
But none of these great minds, as far as I am aware, have come up with a physical tangible non-mathematical description. The closest we have describes space-time akin to a 2 dimensional rubber sheet where planets and stars glide across the top of it. Modern day computer graphics can provide images of 6 dimensional space manifolds, but these are still represented on 2 dimensional paper; no element of time is represented pictorially. Continue reading