Daily Archives: 28/11/2013

I don’t suppose any of my American brethren will be posting on Thanksgiving Day, so have a good one! Here’s a conversation that Werner Heisenberg said changed his life: Heisenberg: “We cannot observe electron orbits inside the atom…Now, since a good theory must be based on directly observable magnitudes, I thought it more fitting to restrict myself to these, treating them, as it were, as representatives of the electron orbits.” “But you don’t seriously believe,” Einstein protested, “that none but observable magnitudes must go into a physical theory?” “Isn’t that precisely what you have done with relativity?” I asked in some surprise… “Possibly I did use this kind of reasoning,” … Continue reading →