So a lot of mathematics, such as solid geometry, was just built up from studying space. But it’s a deep thing; it’s not just something you learn like reading a cookbook. And it’s very beautiful.

Starting with lower dimensions can be helpful when dealing with higher dimensions in geometry, according to readers ...

Mathematicians are “reinventing the wheel” by giving it a new shape. Their newly imagined wheel looks like a many-dimensional guitar pick, and it could theoretically roll in ways beyond our ...