Splitting the second the story of atomic time presents the story of this revolution explaining how atomic clocks work how more than 200 of them are used to form the worlds time and why we need leap seconds. This book is a fun semi technical but accessible read about the second as a standard unit of measure it covers the history of the importance of time to civilization and explains that evolution culminating in atomic time and more recent developments in standardized timekeeping. In summary splitting the second the story of atomic time is an interesting readable account of the state of modern timekeeping it is not comprehensive and is not the definitive history of this stage of the human attempt to provide accurate timekeeping. Splitting the second the story of atomic time presents the story of this revolution explaining how atomic clocks work how more than 200 of them are used to form the worlds time and why we need leap seconds the book illustrates how accurate time is distributed around the world and what it is used for. Splitting the second has 2 ratings and 1 review until the 1950s timekeeping was based on the apparent motion of the sun that in turn reflected the rotat
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