The Birth of Atomic Time, by Ray Essen
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The Birth of Atomic Time, by Ray Essen
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Atomic clocks are increasingly being used for a wide range of everyday applications and technologies such as satellite navigation, the internet, smartphones and wireless communications would be impossible without them. But the idea of building an ultra-precise clock - regulated by the behaviour of individual atoms - goes back a long way. Although there were several attempts to make an atomic clock in America after the Second World War, it was a British physicist, Louis Essen, who built the first practical atomic clock in 1955. The author explains why the measurement of time had become so important to the two Superpowers during the Cold War and how scientists in the United States and the Soviet Union turned to Britain in the 1950s for the secrets of the atomic clock that would help them solve the urgent problem of finding a method of long-range navigation for aircraft, ships and submarines. The Birth of Atomic Time is a highly readable book that describes the life and work of Louis Essen (1908-1997) and the race to build the first atomic clock. "Louis Essen's ground-breaking work led to a revolution in timekeeping and one that is still developing. It is a pleasure to recommend this fascinating book" - Sir Arnold Wolfendale, 14th Astronomer Royal. The author has written extensively about the history of time measurement and the achievements of Louis Essen whose memoir forms part of this book. Using hitherto unpublished material from leading horologists in the US, Russia, Switzerland and the UK, the author has pieced together the fascinating story of atomic timekeeping. 202 pages, 60 illustrations.
The Birth of Atomic Time, by Ray Essen- Amazon Sales Rank: #2664390 in Books
- Published on: 2015-03-12
- Dimensions: 8.50" h x .43" w x 5.43" l,
- Binding: Paperback
- 202 pages
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Most helpful customer reviews
0 of 0 people found the following review helpful. More than just a second By William Olson Campbell The switch from astronomical to atomic timekeeping in 1967 as the standard for human activity was as significant as the move from sailing ship to spacecraft. For space travel the accuracy of atomic time is essential. As it is for the GPS in the domestic car.One scientist’s invention and perfection of the first working atomic clock is expertly and deftly depicted in this very readable book. The author makes the science comprehensible for a lay person. For example describing the 100-fold accuracy improvement with quantum logic clocks not as a mathematical formula, but as “losing no more than one second in the lifetime of the universe”.The specific expertise comes from the memoirs of the inventor himself, Louis Essen, recalling the road to his achievement. These not only relate the progress of the scientist to his goal but reveal the nature of the man – self-effacing and humble – along with family life in mid-twentieth century England. This is as fascinating as the race to the atomic clock.These reminiscences are skilfully augmented and given vital context by the author’s Explanatory Notes that follow each section of the memoirs. The supplementary thematic chapters enlarge upon the topic, past, present and future. The format of the book works brilliantly for enlightening and understanding.There are surprises. One reads Louis Essen determined the speed of light more accurately “as a sideline” to his normal duties at the National Physical Laboratories. The chapter on Relativity is a revelation. International cooperation among scientists (during the Cold War) contrasts against the intransigence of the scientific establishment.This book is more than the adoption of caesium atomic time as the international standard second. Through the memoirs and the supporting text it superbly conveys two things about its subject. First, the critical importance of globally accurate timekeeping, and why. Second, the man who created the first atomic clock, and the background in which he worked and lived.
0 of 0 people found the following review helpful. This is an excellent book -- very scholarly yet immensely readable -- on ... By gary wilson This is an excellent book -- very scholarly yet immensely readable -- on one of the most important and overlooked scientists of the twentieth century. I highly recommend it to anyone with an interest in physics or time.
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