In this briefer, streamlined revision, Art Hobson once again makes physics relevant and interesting for the casual reader. He introduces modern physics early on, maintaining the bookrs"s focus on the cultural and social context of physics. Updates and extensively revises chapters on relativity. Provides a more modern, straightforward treatment of quantum physics. Includes new and updated societal topics, such as nuclear terrorism. Adds new and revised "How Do We Know" subsections that emphasize the process of science. A reader-friendly reference for anyone interested in learning more about physics and how it affects our lives.