This fascinating book explains why the materials we can see and touch behave as they do. In a completely nontechnical style, using only basic arithmetic, the author explains how the properties of materials result from the way they are composed of atoms and why it is they have the properties they do: for example, why copper and rubies are colored, why metals conduct heat better than glass, why magnets attract an iron nail but not a brass pin, and how superconductors are able to conduct electricity without resistance. The book is intended for general readers, and uses mainly words, pictures and...