Like no other book before it, Absolutely Small makes the inherently challenging field of quantum theory understandable to nonscientists, without oversimplifying and without bogging down in complicated math. Our intuition about how things should behave is usually right in the everyday world. We see the baseball soar in the air, arc, drop, and lie stationary on the ground. Through data gathered by our senses and basic knowledge of the laws of classical mechanics, the motion of a ball makes perfect sense. But enter the world of the tiniest particles on earth-the motion of electrons, the...