An intriguing meditation on the nature of the universe and our attempts to understand it that should appeal to both...
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
BOOK REVIEW
BOOK REVIEW
An analysis that will appeal more to engineers than to behaviorists and psychologists: informative, but with a relatively...
Leading neuroscientist Montague takes a biomechanical approach to explain the mental processes that occur in decision-making.
Like computers, the human brain processes data and produces a result—but with a twist, declares the author. The gray area of computational neuroscience lies in the value judgments that occur in biological systems. Nature, Montague posits in his debut, has equipped the biological machine with the added ability to determine the significance of a computation. Moreover, by storing these valuations as a byproduct of computation, the mind adapts and becomes increasingly more efficient. Repeated exposure to a typical risk-reward scenario, for example, causes the mind to anticipate outcomes. Montague revisits many of the old “right-brain” scenarios with a “left-brain” approach. With a graduate student, he replicated the famous “Pepsi Challenge” and found no relationship between the drink selected in the test and the drinks that subjects actually purchased in the stores. Though Montague’s research is thorough, his explanations vary from wry to impenetrably abstract, and the definition of value remains elusive. Value may be a burst of dopamine, a goal created from a pattern of inputs from the environment, an abstract emotion such as trust, or anything in-between. The essence of Montague’s work is that biological machines assign a value “tag” to each piece of data that they process. Whether tiny bacteria or human being, this is what differentiates us from the machines we create. The “soul” of the human machine may be the sum of these value tags. The answer to the titular question is itself a value judgment based on individual experience.
An analysis that will appeal more to engineers than to behaviorists and psychologists: informative, but with a relatively narrow audience.Pub Date: Nov. 2, 2006
ISBN: 0-525-94982-8
Page Count: 240
Publisher: Dutton
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: Aug. 1, 2006
There's an elegant, albeit humbling, logic to the first three books in the Science Masters Series, all coming in October. In the middle is Leakey (Origins Reconsidered, 1992, etc.) writing about, well, us. Then, lest we acquire an inflated notion of our own importance, there are the ultimate bookends of the beginning and the end of the universe: The Origin of the Universe, by John D. Barrow (Astronomy/Univ. of Sussex, England; PI in the Sky, 1992, etc.) and The Last Three Minutes, by Paul Davies (Natural Philosophy/Univ. of Adelaide, Australia; The Mind of God, 1991, etc.). The series is being published by an international consortium of 16 publishers. It's a serious, much-needed effort to bring practicing scientists in touch with the general public. Other heavyweight brainiacs lined up for the series include philosopher and cog-sci guy Daniel C. Dennett; paleontologist (and DiMaggiologist) Stephen Jay Gould; anthropologist Mary Catherine Bateson; and artificial intelligence researcher Marvin Minsky. This is good publishing. PBS, eat your heart out.
Pub Date: Oct. 26, 1994
ISBN: 0-465-03135-8
Page Count: 176
Publisher: Basic Books
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: Sept. 1, 1994
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