Continuing to take readers on a uniquely accessible journey through physics, Superstrings and Other Things: A Guide to Physics, Third Edition, explains the basic concepts of motion, energy, and gravity, right up to the latest theories about the structure of matter, the origin and structure of the universe, and the beginning of time. Fully updated throughout, this book explores major historical discoveries and the scientists behind them. In addition, this comprehensive text details the breathtaking frontiers of physics being explored today. Offering nonscience students access to the highest peaks of physics, Dr. Calle translates concepts so they can be appreciated by those with willing curiosity and imagination.