Did the universe really begin with a bang, and will it end with a whimper? Well-known science journalist Seife gives a comprehensive survey of "theories of everything" from the ancients to the latest discoveries. He explains why some scientists now theorize that the universe may have begun-and may end-with a "big splat," and explains the "ekpyrotic scenario," which says a parallel universe, like a giant membrane, may be floating toward our universe. The recent, highly publicized discovery that the universe is expanding at an ever faster rate seems to support this idea. Another theory of everything that is sure to be encountered more and more frequently in magazines and newspapers is "M-theory," which combines the weird worlds of supersymmetry and string theory. According to supersymmetry, every particle has a twin superpartner endowed with very different properties than familiar subatomic particles. This helps solve the question of where the missing matter in the universe is, since the baryonic particles that we are able to detect make up only 5% of the total. String theory postulates the existence of membranes unimaginably minuscule and curled up in multiple dimensions. Seife also explains how large-scale projects in Louisiana and other sites are aimed at detecting gravity waves, one of the holy grails in science. In an appendix, he lays odds on which scientists look destined to win a Nobel Prize for their discoveries and the areas of research that we will probably see in tomorrow's headlines. In short, Seife provides lucid explanations of very complicated topics for the science buff or well-rounded general reader.
Copyright 2003 Reed Business Information, Inc.
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