everyplace writes "Professor George Sparling proposes a new unified theory of mathematics, building upon the works of Cartan, Penrose and countless other philosophers and physicists. From the article: "...A fundamental question pondered since the time of Pythagoras, and still vexing scientists today: what is the nature of space and time? After analyzing different perspectives, Sparling offers an alternative idea: space-time may have six dimensions, with the extra two being time-like.""
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.