EMPIRE OF LIGHT

A HISTORY OF DISCOVERY IN SCIENCE AND ART

A physicist's view of light, the most pervasive form of energy in our universe, and a force that has shaped human life and consciousness from the very beginning. From the outset, Perkowitz (Physics/Emory Univ.) shows not only an ability to express his subject clearly, but a fine awareness of light's appeal to our esthetic senses. After a quick glance at the many instances of light in his life—from the huge lasers with which he works to the emotional impact of colored light in such films as The Wizard of Oz—the author turns to the complex physiological process of perceiving light and color. The range of vibrations in visible light is comparatively narrow, less than a tenth of what a modest stereo system can produce in terms of sound vibrations. Our nervous system makes up for that apparent narrowness with a series of ingenious adaptations: The cone cells in the retina respond only to motion, whereas the rods embody all our awareness of color. They feed their data to the visual cortex, which contains ten times the number of neurons as the auditory system. Interpreting and explaining what we see has occupied science since the earliest days, when it was widely believed that the eye itself generated a beam of light that made vision possible. At the same time, artists were pursuing their own investigations of light, from Caravaggio's dramatically darkened scenes to Renoir's electrically lit interiors to van Gogh's rapt evocations of natural light and color. A fascinating chapter looks at how various chemicals alter the composition of light to produce the colors we see, both in the natural world and in painting. Invisible light—infrared, ultraviolet, X-ray—plays a role in the story, as well. Perkowitz knows when to connect a scientific summary with a mundane example and shows a fine appreciation for the link between the physicist's and the artist's views of light. Smoothly written, comprehensive, and thoroughly enjoyable.

Pub Date: Sept. 1, 1996

ISBN: 0-8050-3211-8

Page Count: 176

Publisher: Henry Holt

Review Posted Online: May 20, 2010

Kirkus Reviews Issue: July 1, 1996

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Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science...

A SHORT HISTORY OF NEARLY EVERYTHING

Bryson (I'm a Stranger Here Myself, 1999, etc.), a man who knows how to track down an explanation and make it confess, asks the hard questions of science—e.g., how did things get to be the way they are?—and, when possible, provides answers.

As he once went about making English intelligible, Bryson now attempts the same with the great moments of science, both the ideas themselves and their genesis, to resounding success. Piqued by his own ignorance on these matters, he’s egged on even more so by the people who’ve figured out—or think they’ve figured out—such things as what is in the center of the Earth. So he goes exploring, in the library and in company with scientists at work today, to get a grip on a range of topics from subatomic particles to cosmology. The aim is to deliver reports on these subjects in terms anyone can understand, and for the most part, it works. The most difficult is the nonintuitive material—time as part of space, say, or proteins inventing themselves spontaneously, without direction—and the quantum leaps unusual minds have made: as J.B.S. Haldane once put it, “The universe is not only queerer than we suppose; it is queerer than we can suppose.” Mostly, though, Bryson renders clear the evolution of continental drift, atomic structure, singularity, the extinction of the dinosaur, and a mighty host of other subjects in self-contained chapters that can be taken at a bite, rather than read wholesale. He delivers the human-interest angle on the scientists, and he keeps the reader laughing and willing to forge ahead, even over their heads: the human body, for instance, harboring enough energy “to explode with the force of thirty very large hydrogen bombs, assuming you knew how to liberate it and really wished to make a point.”

Loads of good explaining, with reminders, time and again, of how much remains unknown, neatly putting the death of science into perspective.

Pub Date: May 6, 2003

ISBN: 0-7679-0817-1

Page Count: 304

Publisher: Broadway

Review Posted Online: May 20, 2010

Kirkus Reviews Issue: April 1, 2003

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A tiny book, not much bigger than a pamphlet, with huge potential impact.

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NO ONE IS TOO SMALL TO MAKE A DIFFERENCE

A collection of articulate, forceful speeches made from September 2018 to September 2019 by the Swedish climate activist who was nominated for a Nobel Peace Prize.

Speaking in such venues as the European and British Parliaments, the French National Assembly, the Austrian World Summit, and the U.N. General Assembly, Thunberg has always been refreshingly—and necessarily—blunt in her demands for action from world leaders who refuse to address climate change. With clarity and unbridled passion, she presents her message that climate change is an emergency that must be addressed immediately, and she fills her speeches with punchy sound bites delivered in her characteristic pull-no-punches style: “I don’t want you to be hopeful. I want you to panic. I want you to feel the fear I feel every day. And then I want you to act.” In speech after speech, to persuade her listeners, she cites uncomfortable, even alarming statistics about global temperature rise and carbon dioxide emissions. Although this inevitably makes the text rather repetitive, the repetition itself has an impact, driving home her point so that no one can fail to understand its importance. Thunberg varies her style for different audiences. Sometimes it is the rousing “our house is on fire” approach; other times she speaks more quietly about herself and her hopes and her dreams. When addressing the U.S. Congress, she knowingly calls to mind the words and deeds of Martin Luther King Jr. and John F. Kennedy. The last speech in the book ends on a note that is both challenging and upbeat: “We are the change and change is coming.” The edition published in Britain earlier this year contained 11 speeches; this updated edition has 16, all worth reading.

A tiny book, not much bigger than a pamphlet, with huge potential impact.

Pub Date: Nov. 26, 2019

ISBN: 978-0-14-313356-8

Page Count: 112

Publisher: Penguin

Review Posted Online: Nov. 3, 2019

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