Quantum question
01/11/2013 07:13
Where does the energy come from to keep electrons moving around the nucleus of an atom? We live in a universe awash with energy in various forms – kinetic, potential, mass and so on. It keeps stars glowing, plants growing, molecules bouncing and everything happening. For all we know it came from the big bang, because energy is indestructible and every quantum of it winds up somewhere. [Read more] ...