My question for today is, why are there three dimensions? If there were more, would the universe be a better or worse place? What would it be like?
We currently live in a world with four dimensions, but one handles movement through time and therefore doesn’t affect the shape or area of objects. This is why, for example, you can get a train to Swansea, but not to 1973. There may be many more dimensions, according to string theory. But that, again, is a different thing.
For the purposes of this post, we’ll be looking solely at what things would look like if we added more dimensions in regular, unstring-ey space. Turns out, the best first question to ask to understand this is, how many dimensions are optimal for playing Dungeons and Dragons? Of course, that makes this one of the most nerdy blog posts I can imagine. But I’m okay with that.