The Constants of Nature: From Alpha to Omega–the Numbers That Encode the Deepest Secrets of the Universe

John D. Barrow0-375-42221-8, 9780375422218

Barrow (mathematical sciences, U. of Cambridge) has been concerned about, and writing about, the constants of nature for over two decades now. Here he adds a new chapter: recent technology for analyzing light from distant quasars reveals what conditions have been like over the past 11 billion years, and startling findings about whether or not the so-called constants have been fickle.