"Suppose that an ether strain corresponds to an electric charge, an ether displacement to the electric current, these ether vortices to the atoms - if we continue these suppositions, we arrive at what may be one of the grandest generalizations of modern science - of which we are tempted to say it ought to be true even if it is not - namely, that all phenomena of the physical universe are only different manifestations of the various modes of motion of one all-pervading ether." [Albert A. Michelson]