We all know we live in three-dimensional space. But what does it mean when people talk about four dimensions? Is it just a ...

In our three-dimensional space, elementary particles neatly filter into either bosons or fermions. But in lower dimensions, ...

Our brains may not be equipped to picture 10 spatial dimensions, but see if you can get to at least four here. For most of us, or perhaps all of us, it's impossible to imagine a world consisting of ...

In a hypertorus model of the Universe, motion in a straight line will return you to your original location, even in an uncurved (flat) spacetime. The Universe could also be closed and positively ...

Zsuzsanna Dancso does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...