The 24th collection of Asimov's essays, these culled from recent monthly columns in The Magazine of Fantasy and Science Fiction. The essays are grouped into three parts: "Isotopes and Elements"; "The Solar System"; and "Beyond the Solar System." Expect lots of chemistry and chemical history in Part I, including personal bits about Asimov's tiff with Harold Urey, who was not willing to admit someone who had not taken physical chemistry into Columbia's graduate chemistry program and made it very tough indeed. Here find essays on naturally radioactive substances and artificial radiation; the charms and dangers of carbon 14 in the body ("The Enemy Within"): and discourses on sulfur, phosphorus, and early matches, ending with an essay on the importance of phosphorus as the energy store of cells and as the calcium phosphate of bone. Asimov's fascination with size, distance, brightness, and other measurables is a familiar refrain seen in essays like "The Incredible Shrinking Planet." This is a neat exercise in logic and discovery that finally establishes Pluto as a small and icy "mesoplanet" (A's coinage for a planet between major and minor), accompanied by an even smaller moon, Charon. Or in an essay on novas, which led to a controversy over whether the Andromeda nebula, in which a nova had been spotted, was a far distant "island universe" or a nearby solar system in the making. Revelation comes in a succeeding essay on super-exploding stars: the star in Andromeda was a supernova 2.3 million light years away in the Andromeda galaxy. Concluding essays deal with matter and antimatter, star voyages, and, finally, the title piece, in which Asimov knocks the idea that right and wrong are absolutes. The point is that some things are wronger (or righter) than other things and we all got off on the wrong foot with the spelling, arithmetic drills, and short-answer tests of grade school. "Good" scientific concepts get refined over time, that's all. And written about by upbeat, postive-thinking, righter-than-most Asimov.
Pub Date: April 29, 1988
ISBN: 1575660083
Page Count: -
Publisher: Doubleday
Review Posted Online: Sept. 16, 2011
Kirkus Reviews Issue: March 15, 1988
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
A magnificent account of a central reality of our times, incorporating deep scientific expertise, broad political and social knowledge, and ethical insight, and Idled with beautifully written biographical sketches of the men and women who created nuclear physics. Rhodes describes in detail the great scientific achievements that led up to the invention of the atomic bomb. Everything of importance is examined, from the discovery of the atomic nucleus and of nuclear fission to the emergence of quantum physics, the invention of the mass-spectroscope and of the cyclotron, the creation of such man-made elements as plutonium and tritium, and implementation of the nuclear chain reaction in uranium. Even more important, Rhodes shows how these achievements were thrust into the arms of the state, which culminated in the unfolding of the nuclear arms race. Often brilliantly, he records the rise of fascism and of anti-Semitism, and the intensification of nationalist ambitions. He traces the outbreak of WW II, which provoked a hysterical rivalry among nations to devise the bomb. This book contains a grim description of Japanese resistance, and of the horrible psychological numbing that caused an unparalleled tolerance for human suffering and destruction. Rhodes depicts the Faustian scale of the Manhattan Project. His account of the dropping of the bomb itself, and of the awful firebombing that prepared its way, is unforgettable. Although Rhodes' gallery of names and events is sometimes dizzying, his scientific discussions often daunting, he has written a book of great drama and sweep. A superb accomplishment.
Pub Date: Feb. 1, 1986
ISBN: 0684813785
Page Count: 932
Publisher: Simon & Schuster
Review Posted Online: Oct. 28, 2011
Kirkus Reviews Issue: Jan. 15, 1986
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