This one, developed by Nassim Haramein, is based on the interdependence of everything that exists in the universe. This physicist shows in particular that the gravitational field and the electromagnetic field are part of one and the same dynamics, available to all scales. Do you know what it means ? It means that gravity is present at the quantum level (but that it is hidden under the name of strong force ;))
Note : This article outlines Nassim Haramein’s unified field theory (connected universe). Reading can be a bit difficult for some people. Remember to explore the information through