About Time

A horological history of human civilisation, told through twelve world-changing clocksThe measurement of time has always been essential to human civilization, from early Roman sundials to the advent of GPS. But while we have one eye on the time every day, are we aware of the power clocks have given governments, military leaders and business owners, and how they have shaped our lives and our world?In this spectacularly far-reaching book, David Rooney narrates a history of timekeeping and civilization in twelve concise chapters. Over their course, we meet the most epochal inventions in horological history, from medieval water clocks to Renaissance hourglasses, and from stock-exchange timestamps to satellites in Earth's orbit. We discover how clocks have helped people navigate the globe and build empires, but also, on occasion, taken us to the brink of destruction.This is the story of time, and the story of time is the story of us.

“'Enthralling and important, About Time takes us deep into the past and far into the future. With David Rooney as personable guide, we peer inside clocks from Kyoto to Cape Town, discovering what they meant to the diverse people who made them, used them, whose lives were ruled by them. . . . This is a gripping and revealing account of time, and humanity's changing relationship with it'”

'About Time is an utterly dazzling book, the best piece of history I have read for a long time. From sundials in ancient Rome to astronomical, water-driven, mechanical and atomic timepieces used throughout history and across cultures, Rooney has written the definitive book on these remarkable objects that give order to everyday life. It is a moving and beautifully written book that even takes us 5,000 years into the future with plutonium clocks ticking away beneath our feet. There will be many puns about this as a timely book; in fact, it is timeless' -- Jerry Brotton, author of A History of the World in Twelve Maps
'Not merely an horologist's delight, but an ingenious meditation on the nature and symbolism of time-keeping itself. From the medieval hourglass to the Doomsday Clock, from Jaipur to Jodrell Bank, from GMT to GPS, Rooney ticks off time in a highly entertaining series of historical tales and parables which also give pause for thought and sometimes alarming reflections. I will never hear the pips, or ask 'what's the time?' in quite the same way again. A striking success' -- Richard Holmes
'Fascinating... it's to Rooney's credit that although he clearly knows a colossal amount about clocks, he wears his learning very lightly' -- Dominic Sandbrook Sunday Times
People say time is money, but David Rooney knows better. In this information-packed swoop through history and into the future, he exposes time's many identities along with the hidden agendas of clocks. Time is knowledge. Time is power. Time is faith. Time is destiny -- Dava Sobel, author of Longitude

'Abundantly clever ... [Rooney's] notion is that time-noting instruments of one kind or another have been central to human endeavor, and he illustrates the power of such influence by scores of well-curated examples ... lovely and engaging, with myriad fascinations on every page'

-- Simon Winchester New York Times
'Enthralling and important, About Time takes us deep into the past and far into the future. With David Rooney as personable guide, we peer inside clocks from Kyoto to Cape Town, discovering what they meant to the diverse people who made them, used them, whose lives were ruled by them. . . . This is a gripping and revealing account of time, and humanity's changing relationship with it' -- Seb Falk, author of The Light Ages: The Surprising Story of Medieval Science
'A fascinating volume on what clocks say both to us and about us ... full of riches ... a valuable intellectual journey at a moment ripe for contemplation' Wall Street Journal
'David Rooney's passionate enthusiasm for everything clock-related leaps off every page. The vivid writing, engaging stories and autobiographical details combine to offer a rich and generous picture of the history of clocks, from China and Japan to Central Europe, the Middle East and outer space. In clear, pacey and evocative prose, Rooney's volume takes in ancient wonders and modern marvels, leaving us at once enlightened and moved' -- Ludmilla Jordanova, author of History in Practice
The measurement of time is a convenience, a jailor, a tyrannical device. David Rooney's delightful and discursive work anatomises that tyranny. Page after page offers up instances of time's ubiquity and its mercurial power to get into the interstices of the everyday -- Jonathan Meades
'About Time is startlingly original. Rooney is immensely knowledgeable and passionate about his subject. His engaging style should make this book, which carries valuable warnings about the future of humanity, a popular-science classic' -- Patricia Fara Literary Review

David Rooney is a historian and museum curator. Born in north-east England, he moved to London in 1995 to take a traineeship at the Science Museum, where he first encountered the aeroplane that completed the Big Hop in 1919. Over an almost thirty-year career, David has curated timekeeping, transport and engineering collections at institutions from the National Maritime Museum to the Science Museum, bringing historical stories vividly alive. He is the author of About Time- A History of Civilization in Twelve Clocks (2021), which has been translated into eleven languages.About The Big Hop, David says- 'It is 30 years since I first walked beneath the canvas wings of the Vimy biplane and wondered what must have possessed two young men to fly it across the Atlantic. Writing this book is my way of paying tribute to the pioneers of aviation - men and women from all walks of life - who risked everything- for freedom, for progress, and for us.'

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