Suppose that you could mark the molecules in a glass of water; then pour the contents of the glass into the ocean and stir the latter throughly so as to distribute the marked molecules uniformly throughout the seven seas; if then you took a glass of water anywhere out of the ocean, you would find in it about a hundred of your marked molecules.
Lord KelvinVortices of pure energy can exist and, if my theories are right, can compose the bodily form of an intelligent species.
Lord Kelvin