Cutting-edge theoretical physics for a popular audience that obeys the rules (little math, plenty of drawings), but it’s not...
When theoretical physicist Rovelli’s Seven Lessons in Physics became an international bestseller in 2015, his Italian publisher proceeded to translate this, his previous book, which turns out to be an admirable addition to a popular genre: explaining what scientists know about the universe and their struggles to learn more.
Most authors in this subject begin with the Greeks and make their ways through Newton, Galileo, and Maxwell to the glories of Einstein’s relativity and the founders of quantum mechanics. In good hands, this is a smooth ride, and Rovelli—the head of the Quantum Gravity group at Aix-Marseille University and one of the founders of the loop quantum gravity theory—is good. Then the story gets tougher. Relativity and quantum mechanics are incompatible, and physicists today are trying to combine them to produce a single, satisfying theory of everything. This requires complex ideas that dissect everything, space-time included, to a very, very tiny state where their quintessence emerges. Rovelli delivers a respectful nod to string theory, but he belongs to the rival school of quantum loop gravity, the central feature of which is that space itself is quantized. “The central prediction of loop theory is…that space is not a continuum,” writes the author, “it is not divisible ad infinitum, it is formed of ‘atoms of space,’ a billion billion times smaller than the smallest of atomic nuclei.” Got it? For some readers, the narrative will be a slog. Science buffs will admire Rovelli’s lucid writing, but at some point, many will realize that they no longer understand.
Cutting-edge theoretical physics for a popular audience that obeys the rules (little math, plenty of drawings), but it’s not for the faint of heart.Pub Date: Jan. 24, 2017
ISBN: 978-0-7352-1392-0
Page Count: 288
Publisher: Riverhead
Review Posted Online: Oct. 19, 2016
Kirkus Reviews Issue: Nov. 1, 2016
BOOK REVIEW
BOOK REVIEW
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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