There’s a lot to like about plain old, everyday space. No matter where you are, there’s always a way to get to where you need to go, and you can always figure out how long any route from here to there might be. Calculus works in it, and that means we can solve a lot of problems about how stuff moves through it. No matter what scale you exist at, you never lack for neighbours. Yes, space is pretty great, but what, mathematically, is it about normal space that lets it be that way, and what can you