Stephen Wolfram, inventor of the Wolfram computational language and the Mathematica software, announced that he may have found a path to the holy grail of physics: A fundamental theory of everything.

Four in one NOVA: String theory's great claim to fame is that it unifies the four forces. Why is unification so important? Weinberg: Unification is where it's at. The whole aim of fundamental ...

To begin with, there’s no single quantum theory. There’s quantum mechanics, the basic mathematical framework that underpins it all, which was first developed in the 1920s by Niels Bohr ...

It’s the only one of the four fundamental forces of nature described by general relativity, and the only one that quantum theory cannot address. Coming up with a model that ties up all four ...