Space-time-matter: Modern Higher-dimensional Cosmology (2nd Edition)

Albert Einstein, together with Theodor Kaluza and Oskar Klein, realized that extra dimensions can be used to unify the different fields of physics, as well as unifying the fields with their material sources. In fact, it was Einstein's dream to transpose the abase wooda of the matter term in his field equations to the "e;marble"e; of the geometrical term. During his lifetime, this kind of unified t...