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Around the World Atomic Clocks

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Author :
Release : 1972
Genre : Atomic clocks
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Around the World Atomic Clocks by : Joseph Carl Hafele

Download or read book Around the World Atomic Clocks written by Joseph Carl Hafele. This book was released on 1972. Available in PDF, EPUB and Kindle. Book excerpt: Four cesium beam clocks flown around the world on commercial jet flights during October 1971, once eastward and once westward, recorded directionally dependent time differences which are in good agreement with predictions of conventional relativity theory. Relative to the atomic time scale of the U.S. Naval Observatory, the flying clocks lost 59 ± 10 nanoseconds during the eastward trip and gained 273 ± 7 nanoseconds during the westward trip, where the errors are the corresponding standard deviations. These results provide an unambiguous empirical resolution of the famous clock 'paradox' with macroscopic clocks.

From Sundials to Atomic Clocks

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Author :
Release : 1999-01-01
Genre : Science
Kind : eBook
Book Rating : 139/5 ( reviews)

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Book Synopsis From Sundials to Atomic Clocks by : James Jespersen

Download or read book From Sundials to Atomic Clocks written by James Jespersen. This book was released on 1999-01-01. Available in PDF, EPUB and Kindle. Book excerpt: Clear and accessible introduction to the concept of time examines measurement, historic timekeeping methods, uses of time information, role of time in science and technology, and much more. Over 300 illustrations.

Atomic Clocks of the National Bureau of Standards

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Author :
Release : 1978
Genre : Atomic clocks
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Atomic Clocks of the National Bureau of Standards by :

Download or read book Atomic Clocks of the National Bureau of Standards written by . This book was released on 1978. Available in PDF, EPUB and Kindle. Book excerpt:

Rubidium Atomic Clock: The Workhorse Of Satellite Navigation

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Author :
Release : 2020-03-05
Genre : Science
Kind : eBook
Book Rating : 508/5 ( reviews)

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Book Synopsis Rubidium Atomic Clock: The Workhorse Of Satellite Navigation by : G M Saxena

Download or read book Rubidium Atomic Clock: The Workhorse Of Satellite Navigation written by G M Saxena. This book was released on 2020-03-05. Available in PDF, EPUB and Kindle. Book excerpt: The Rubidium atomic clock (Rb) is the workhorse of the satellite navigation systems of which GPS is now a household name. With just the tap of a few keys, drivers and navigators all over the world are able to reach their destination effortlessly with high precision. People are now curious to know what makes this possible. Hence, the need to explain in simplistic terms the Rb atomic clocks that are onboard these satellite navigation systems because no good satellite navigation system is possible without such clocks.But why only Rb atomic clocks when far better and exotic atomic clocks are available? The reasons are as simple as that they are slim, low in weight, easy to build inexpensively. They are also used in numerous military applications such as secure communications, electronic warfare, command and control, telemetry and navigation. Besides, they are used in the measurements of the variation in fine-structure constant, test of relativity, precise spectroscopy and scientific research.This book details the history of time keeping and the chronological development of the Rb atomic clocks, with special focus on the physics Package that accounts for the actual performance of the clock. Researchers and industrialists will find that producing such clocks is relatively simple and inexpensive.

The Time Book

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Author :
Release : 2010
Genre : Clocks and watches
Kind : eBook
Book Rating : 733/5 ( reviews)

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Book Synopsis The Time Book by : Martin Jenkins

Download or read book The Time Book written by Martin Jenkins. This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt: What is time? When did we first use it? Does it always work? How do animals tell time? A fun and fascinating look at time from the first calendars and clocks to the digital watches and precise time-keeping methods of today.

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