do all mass less particles travel at the speed of light?
Oct 24, 2011 #4 Naty1 5,607 40 Why? PHRAK.....Stop teasing Doc Al!! Best answer I know: that's what we observe.
Oct 26, 2011 #5 Phrak 4,254 2 But I was just getting started... First we have "particles" and they're "moving", and this is supposed to be physics 200 years after Newton.
But I was just getting started... First we have "particles" and they're "moving", and this is supposed to be physics 200 years after Newton.
