by Thomas Levenson ‧ RELEASE DATE: Nov. 3, 2015
A scintillating popular account of the interplay between mathematical physics and astronomical observations.
Levenson (Science Writing/MIT; Newton and the Counterfeiter: The Unknown Detective Career of the World's Greatest Scientist, 2009, etc.) connects Albert Einstein’s theory of general relativity to Isaac Newton's Mathematical Principles of Natural Philosophy. In their day, each provided "a radical new picture of gravity" that ultimately depended on astronomical confirmation.
For Newton, his moment of truth occurred in 1687, when he established the universality of the inverse-square law of gravitation that governed the elliptical orbits of the planets. He showed that it also applied to the path of the major comet of 1680. "It was cosmic proof,” writes Levenson, “that the same laws that governed ordinary experience—the apple's fall, an arrow’s flight, the moon's constant path—ruled all experience, to the limits of the universe.” Newton based his theory on the estimated distance from the sun to the then-known planets. Pierre-Simon Laplace extended Newton's theory to account for the orbital perturbations caused by interactions between neighboring planets such as Jupiter and Saturn. Similar calculations allowed astronomers to predict the existence of Neptune based on discrepancies in the elliptical orbit of Uranus. The case of Mercury was more puzzling because its divergence from an ellipse could not be accounted for by the gravitational pull of neighboring Venus. Scientists entertained the spurious hypothesis of the existence of a heretofore-unobserved planet orbiting the sun, which they named Vulcan. Einstein solved the dilemma by replacing Newton's inverse-square law with his theory of general relativity, a complicated mathematical theory based on a simple geometrical image of "the sun with its great mass, creat[ing] a bulge in space time." Rather than action-at-a-distance, he introduced the curvature of space-time as a medium for the propagation of gravity. This allowed him to make a more precise prediction of Mercury's orbit, which was verified in 1917 by observations made during a solar eclipse. Though brief, Levenson’s narrative is a well-structured, fast-paced example of exemplary science writing.
A scintillating popular account of the interplay between mathematical physics and astronomical observations.Pub Date: Nov. 3, 2015
ISBN: 978-0-8129-9898-6
Page Count: 192
Publisher: Random House
Review Posted Online: Sept. 2, 2015
Kirkus Reviews Issue: Sept. 15, 2015
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by Lulu Miller illustrated by Kate Samworth ‧ RELEASE DATE: April 14, 2020
A quirky wonder of a book.
A Peabody Award–winning NPR science reporter chronicles the life of a turn-of-the-century scientist and how her quest led to significant revelations about the meaning of order, chaos, and her own existence.
Miller began doing research on David Starr Jordan (1851-1931) to understand how he had managed to carry on after the 1906 San Francisco earthquake destroyed his work. A taxonomist who is credited with discovering “a full fifth of fish known to man in his day,” Jordan had amassed an unparalleled collection of ichthyological specimens. Gathering up all the fish he could save, Jordan sewed the nameplates that had been on the destroyed jars directly onto the fish. His perseverance intrigued the author, who also discusses the struggles she underwent after her affair with a woman ended a heterosexual relationship. Born into an upstate New York farm family, Jordan attended Cornell and then became an itinerant scholar and field researcher until he landed at Indiana University, where his first ichthyological collection was destroyed by lightning. In between this catastrophe and others involving family members’ deaths, he reconstructed his collection. Later, he was appointed as the founding president of Stanford, where he evolved into a Machiavellian figure who trampled on colleagues and sang the praises of eugenics. Miller concludes that Jordan displayed the characteristics of someone who relied on “positive illusions” to rebound from disaster and that his stand on eugenics came from a belief in “a divine hierarchy from bacteria to humans that point[ed]…toward better.” Considering recent research that negates biological hierarchies, the author then suggests that Jordan’s beloved taxonomic category—fish—does not exist. Part biography, part science report, and part meditation on how the chaos that caused Miller’s existential misery could also bring self-acceptance and a loving wife, this unique book is an ingenious celebration of diversity and the mysterious order that underlies all existence.
A quirky wonder of a book.Pub Date: April 14, 2020
ISBN: 978-1-5011-6027-1
Page Count: 224
Publisher: Simon & Schuster
Review Posted Online: Jan. 1, 2020
Kirkus Reviews Issue: Feb. 1, 2020
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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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