by Steven Levy ‧ RELEASE DATE: June 15, 1992
Levy again reports from the front lines of technology in this exploration of the history and future of the creation of artificial life—as impressive and illuminating a work as his memorable Hackers (1984). Colonies of light on a computer screen compete, learn, reproduce, and die; ``viruses'' committed to self-preservation adapt to new environments, search computer systems for food, replicate themselves, and destroy; tiny ``bugs'' swarm out of a vacuum cleaner to suck up dirt beneath sofas and carpets, then return to deposit the dirt at home base; a mechanical cockroach sees an object in its path, adjusts its legs to crawl over it, and continues in its explorations. The question of which of these creatures, if any, are alive has stimulated a storm of controversy concerning the definition, underlying structure, and necessary characteristics of life itself—primary concerns in the creation of ``alternative life forms,'' an endeavor that has also led to insights into the workings of flocks of birds; the mechanisms behind the evolutionary process; the origin of life; and more. As Levy methodically traces the development of ``A-life'' studies from John von Neumann's interest during the 1940's in the similarities between computers and nature to today's soul-searching by researchers into the spirituality, civil rights, and destructive power of future artificial life forms, he also highlights the other lure of such research: the eventual production of robotic servants; cheap planetary pioneers; more efficient, virtually immortal bodies for our human descendants; and even, some scientists believe, a successor species to our own. Ringing with echoes of Faust, Frankenstein, and the history of the atom bomb, the field of A-life research is fertile ground for Levy's articulate, probing journalism. This thought-provoking inquiry may be the most comprehensive yet on the subject. (Eight pages of color illustrations; 20 b&w drawings and charts—not seen.)
Pub Date: June 15, 1992
ISBN: 0-679-40774-X
Page Count: 320
Publisher: Pantheon
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: April 15, 1992
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by Carlo Rovelli ; translated by Simon Carnell & Erica Segre ‧ RELEASE DATE: March 1, 2016
An intriguing meditation on the nature of the universe and our attempts to understand it that should appeal to both...
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Italian theoretical physicist Rovelli (General Relativity: The Most Beautiful of Theories, 2015, etc.) shares his thoughts on the broader scientific and philosophical implications of the great revolution that has taken place over the past century.
These seven lessons, which first appeared as articles in the Sunday supplement of the Italian newspaper Sole 24 Ore, are addressed to readers with little knowledge of physics. In less than 100 pages, the author, who teaches physics in both France and the United States, cogently covers the great accomplishments of the past and the open questions still baffling physicists today. In the first lesson, he focuses on Einstein's theory of general relativity. He describes Einstein's recognition that gravity "is not diffused through space [but] is that space itself" as "a stroke of pure genius." In the second lesson, Rovelli deals with the puzzling features of quantum physics that challenge our picture of reality. In the remaining sections, the author introduces the constant fluctuations of atoms, the granular nature of space, and more. "It is hardly surprising that there are more things in heaven and earth, dear reader, than have been dreamed of in our philosophy—or in our physics,” he writes. Rovelli also discusses the issues raised in loop quantum gravity, a theory that he co-developed. These issues lead to his extraordinary claim that the passage of time is not fundamental but rather derived from the granular nature of space. The author suggests that there have been two separate pathways throughout human history: mythology and the accumulation of knowledge through observation. He believes that scientists today share the same curiosity about nature exhibited by early man.
An intriguing meditation on the nature of the universe and our attempts to understand it that should appeal to both scientists and general readers.Pub Date: March 1, 2016
ISBN: 978-0-399-18441-3
Page Count: 96
Publisher: Riverhead
Review Posted Online: Dec. 7, 2015
Kirkus Reviews Issue: Dec. 15, 2015
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by Carlo Rovelli ; translated by Marion Lignana Rosenberg
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by Bill Bryson ‧ RELEASE DATE: May 6, 2003
Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science...
Bryson (I'm a Stranger Here Myself, 1999, etc.), a man who knows how to track down an explanation and make it confess, asks the hard questions of science—e.g., how did things get to be the way they are?—and, when possible, provides answers.
As he once went about making English intelligible, Bryson now attempts the same with the great moments of science, both the ideas themselves and their genesis, to resounding success. Piqued by his own ignorance on these matters, he’s egged on even more so by the people who’ve figured out—or think they’ve figured out—such things as what is in the center of the Earth. So he goes exploring, in the library and in company with scientists at work today, to get a grip on a range of topics from subatomic particles to cosmology. The aim is to deliver reports on these subjects in terms anyone can understand, and for the most part, it works. The most difficult is the nonintuitive material—time as part of space, say, or proteins inventing themselves spontaneously, without direction—and the quantum leaps unusual minds have made: as J.B.S. Haldane once put it, “The universe is not only queerer than we suppose; it is queerer than we can suppose.” Mostly, though, Bryson renders clear the evolution of continental drift, atomic structure, singularity, the extinction of the dinosaur, and a mighty host of other subjects in self-contained chapters that can be taken at a bite, rather than read wholesale. He delivers the human-interest angle on the scientists, and he keeps the reader laughing and willing to forge ahead, even over their heads: the human body, for instance, harboring enough energy “to explode with the force of thirty very large hydrogen bombs, assuming you knew how to liberate it and really wished to make a point.”
Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science into perspective.Pub Date: May 6, 2003
ISBN: 0-7679-0817-1
Page Count: 304
Publisher: Broadway
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: April 1, 2003
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