cover image STRANGE MATTERS: Undiscovered Ideas at the Frontiers of Space and Time

STRANGE MATTERS: Undiscovered Ideas at the Frontiers of Space and Time

Tom Siegfried, Tom Siegfried, . . National Academy/ Joseph Henry, $24.95 (320pp) ISBN 978-0-309-08407-9

The universe, as physicists have come to know it, is a very strange place, filled with particles known as quarks. Space itself, physicists have come to understand, is curved, and there may well be more than the three spatial and one temporal dimensions we have become accustomed to. Making sense of these fascinating but complex ideas for the general reader is a difficult task, one that science journalist Siegfried (The Bit and the Pendulum) accomplishes deftly, with wit and insight. Siegfried attempts to provide answers to the two basic questions that absorb physicists today: "What is the universe made of?" and "How does the universe work?" Although his answers, like those of the physicists he writes about, are tentative and contingent on the next major discovery, Siegfried brings clarity and a great deal of enthusiasm to the search for understanding. He does a superb job of explaining how mathematical advances have led to an amazing array of "prediscoveries," from the existence of antimatter to the concept of an expanding universe. He also looks to the future and outlines numerous weird possibilities, from minuscule superstrings to parallel universes. Along the way, he presents a thoroughly engaging, if just a bit eclectic, history of physics. Siegfried has turned a difficult subject into a book that is difficult to put down. (Sept.)