Add Yahoo as a preferred source to see more of our stories on Google. In the very early, very hot moments of the universe, the electromagnetic and weak nuclear forces were actually the same force—the ...

The gravity quantum field is calculated in flat spacetime. The curved classical metric is calculated using the expectation value of the gravity quantum field. At long last, a unified theory combining ...

Today, the universe as we know it is governed by four fundamental forces: the strong nuclear force, the weak nuclear force, electromagnetism, and gravity. However, these four forces aren’t exactly as ...