The New York Times bestseller from the author of The Order of Time and Reality Is Not What It Seems“One of the year’s most entrancing books about science.”—The Wall Street Journal“Clear, elegant...a whirlwind tour of some of the biggest ideas in physics.”—The New York Times Book Review  This playful, entertaining, and mind-bending introduction to modern physics briskly explains Einstein's general relativity, quantum mechanics, elementary particles, gravity, black holes, the c