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THE ELEPHANT IN THE UNIVERSE

OUR HUNDRED-YEAR SEARCH FOR DARK MATTER

An entertaining account of a scientific quest that has failed—so far.

A veteran science journalist delves into one of astronomy’s greatest mysteries.

Stars and other visible objects make up about 15% of solid matter in the universe; the other 85% is invisible. Astronomers have known this since 1932, but only recently has the hunt for dark matter taken off. Schilling begins with a disclaimer of sorts: “Despite decades of speculation, searching, studies, and simulations, dark matter remains one of the biggest enigmas of modern science.” Rather than follow the traditional format by beginning with the history (and easy concepts) and proceeding toward more complex ideas, the author offers a series of interesting chapters, many of which could stand alone. He chronicles his interviews with scientists around the world and often rewinds the clock to earlier discoveries that foreshadow today’s massive but still frustrating efforts. Early in the last century, astronomers discovered that stars were moving too fast. Just as planets circle the sun, stars circle their galaxies. Since gravity diminishes with distance, outlying planets move more slowly, but this wasn’t true in galaxies. Outlying stars were not slowing. Gravity controls movements, so galaxies had to be much heavier than predicted. At first, astronomers assumed that gas, dust, and small solid bodies made up the difference, but these were never found. By the 1980s, scientists concluded that this “missing mass” represented particles unknown to science. They’re still unknown, but researchers keep searching. Curious, indefatigable, and a fine writer, Schilling clearly relays the work of astrophysicists, some of whom denigrate the work of colleagues. Great telescopes and other instruments on Earth and in space work their magic, but they reveal only hints of dark matter. The discovery of dark energy created yet another significant enigma. “Over the past two decades,” writes the author, “the pie diagram of the composition of the universe—68.5 percent dark energy, 26.6 percent dark matter, and 4.9 percent familiar stuff—has become an iconic representation of our cosmic ignorance.”

An entertaining account of a scientific quest that has failed—so far.

Pub Date: May 1, 2022

ISBN: 978-0-674-24899-1

Page Count: 336

Publisher: Belknap/Harvard Univ.

Review Posted Online: Jan. 25, 2022

Kirkus Reviews Issue: Feb. 15, 2022

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ELON MUSK

Alternately admiring and critical, unvarnished, and a closely detailed account of a troubled innovator.

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A warts-and-all portrait of the famed techno-entrepreneur—and the warts are nearly beyond counting.

To call Elon Musk (b. 1971) “mercurial” is to undervalue the term; to call him a genius is incorrect. Instead, Musk has a gift for leveraging the genius of others in order to make things work. When they don’t, writes eminent biographer Isaacson, it’s because the notoriously headstrong Musk is so sure of himself that he charges ahead against the advice of others: “He does not like to share power.” In this sharp-edged biography, the author likens Musk to an earlier biographical subject, Steve Jobs. Given Musk’s recent political turn, born of the me-first libertarianism of the very rich, however, Henry Ford also comes to mind. What emerges clearly is that Musk, who may or may not have Asperger’s syndrome (“Empathy did not come naturally”), has nurtured several obsessions for years, apart from a passion for the letter X as both a brand and personal name. He firmly believes that “all requirements should be treated as recommendations”; that it is his destiny to make humankind a multi-planetary civilization through innovations in space travel; that government is generally an impediment and that “the thought police are gaining power”; and that “a maniacal sense of urgency” should guide his businesses. That need for speed has led to undeniable successes in beating schedules and competitors, but it has also wrought disaster: One of the most telling anecdotes in the book concerns Musk’s “demon mode” order to relocate thousands of Twitter servers from Sacramento to Portland at breakneck speed, which trashed big parts of the system for months. To judge by Isaacson’s account, that may have been by design, for Musk’s idea of creative destruction seems to mean mostly chaos.

Alternately admiring and critical, unvarnished, and a closely detailed account of a troubled innovator.

Pub Date: Sept. 12, 2023

ISBN: 9781982181284

Page Count: 688

Publisher: Simon & Schuster

Review Posted Online: Sept. 12, 2023

Kirkus Reviews Issue: Oct. 15, 2023

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HOW DO APPLES GROW?

A straightforward, carefully detailed presentation of how ``fruit comes from flowers,'' from winter's snow-covered buds through pollination and growth to ripening and harvest. Like the text, the illustrations are admirably clear and attractive, including the larger-than-life depiction of the parts of the flower at different stages. An excellent contribution to the solidly useful ``Let's-Read-and-Find-Out-Science'' series. (Nonfiction/Picture book. 4-9)

Pub Date: Jan. 30, 1992

ISBN: 0-06-020055-3

Page Count: 32

Publisher: HarperCollins

Review Posted Online: May 19, 2010

Kirkus Reviews Issue: Dec. 15, 1991

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