protons

"Ours is a world of nuclear giants and ethical infants. We know more about war that we know about peace, more about killing that we know about living." -Omar N. Bradley Nuclear physics is one of the most daunting, emotionally charged phrases in all of science. You can hardly say the words without the image of a mushroom cloud popping into most people's heads, followed by the devastations of radiation sickness and lingering radioactivity. Image credit: National Archives image (208-N-43888), Charles Levy, of the Nagasaki bomb. But -- as a physicist -- that's not what I think of at all. Think…