Curious about that froth on your cappuccino? Here’s the place to take its measure. But it is the reader who will have to...
An exploration of the science of foam that is also an engaging appreciation of its cultural uses—think of your beer’s head or cappuccino’s cap—from physicist Perkowitz (Empire of Light, 1996).
Foam is one of those peculiar and intriguing semi-states, not really liquid or gas or solid, but an arrangement of adjoining bubbles and cells of gas within a liquid or solid. Perkowitz takes readers on a Cook’s Tour through the substance’s extensive and quirky world, from ocean whitecaps to champagne, pumice, and bread—the foamy turmoil of quantum events. He works his thrall mostly in the cultural aspects of foam: how it effects the flavor of beer, the taste of bread; how it brought about an environmental crisis with its near indestructibility as exemplified by packing peanuts and Macdonald’s clamshell burger containers; the ethereal pleasures of meringues and soufflés and mousses; the aesthetic chords struck by paintings of churning waves from Hokusai to Homer. But when Perkowitz delves into the physics of foam, he gets bogged down. It may be that the mechanical and dynamic properties of foam are simply not compelling, but it does seem as though something as wondrous as sonoluminescence (the act by which bubbles change sound into light) ought to have readers gasping in awe. It doesn’t, here. More problematical is that Perkowitz at times comes perilously close to a tone of cooing condescension: “No doubt you’ll soon notice the remarkable diversity of matter that surrounds us.” At the end of the book, he does manage to make his science sing when he describes the cosmos as having the distinct qualities of foam as witnessed through the distribution of galaxies across space.
Curious about that froth on your cappuccino? Here’s the place to take its measure. But it is the reader who will have to provide the initial spark of interest, for though Perkowitz can be entertaining, he is not alluring.Pub Date: July 1, 2000
ISBN: 0-8027-1357-2
Page Count: 208
Publisher: Walker
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: June 15, 2000
BOOK REVIEW
BOOK REVIEW
From the national correspondent for PBS's MacNeil-Lehrer Newshour: a moving memoir of her youth in the Deep South and her role in desegregating the Univ. of Georgia. The eldest daughter of an army chaplain, Hunter-Gault was born in what she calls the ``first of many places that I would call `my place' ''—the small village of Due West, tucked away in a remote little corner of South Carolina. While her father served in Korea, Hunter-Gault and her mother moved first to Covington, Georgia, and then to Atlanta. In ``L.A.'' (lovely Atlanta), surrounded by her loving family and a close-knit black community, the author enjoyed a happy childhood participating in activities at church and at school, where her intellectual and leadership abilities soon were noticed by both faculty and peers. In high school, Hunter-Gault found herself studying the ``comic-strip character Brenda Starr as I might have studied a journalism textbook, had there been one.'' Determined to be a journalist, she applied to several colleges—all outside of Georgia, for ``to discourage the possibility that a black student would even think of applying to one of those white schools, the state provided money for black students'' to study out of state. Accepted at Michigan's Wayne State, the author was encouraged by local civil-rights leaders to apply, along with another classmate, to the Univ. of Georgia as well. Her application became a test of changing racial attitudes, as well as of the growing strength of the civil-rights movement in the South, and Gault became a national figure as she braved an onslaught of hostilities and harassment to become the first black woman to attend the university. A remarkably generous, fair-minded account of overcoming some of the biggest, and most intractable, obstacles ever deployed by southern racists. (Photographs—not seen.)
Pub Date: Nov. 1, 1992
ISBN: 0-374-17563-2
Page Count: 192
Publisher: Farrar, Straus and Giroux
Review Posted Online: May 19, 2010
Kirkus Reviews Issue: Sept. 1, 1992
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
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