From strings to M‑theory: how many dimensions are on the table? Once I follow the logic of string theory, the dimensional stakes rise quickly. In its simplest form, the theory replaces point‑like ...

Jason Lotay explains how mathematicians studying special geometries are collaborating with physicists to explore M-theory, an 11-dimensional description of the world that unifies the various string ...

When it comes to understanding the fabric of the universe, most of what scientists think exists is consigned to a dark, murky domain. Ordinary matter, the stuff we can see and touch, accounts for just ...