Short description Filling the need for a book that conveys the current technology as well as the underlying history and physical background, the authors draw on their longstanding research experience to tell physicists and engineers how to measure time to the precision required for modern-day use.
From the contents 1. Time-Pre 20th Century 2. Solar Time 3. Ephemerides 4. Variable Earth Rotation 5. Earth Rotation and Polar Motion 6. Ephemeris Time 7. Relativity and Time 8. Dynamical and Coordinate Time Scales 9. Clock Developments 10. Microwave Atomic Clocks 11. Optical Atomic Standards 12. International Atomic Time (TAI) 13. Definition and Role of a Second 14. Coordinated Universal Time 15. Time in the Solar System 16. Time and Frequency Transfer 17. Modern Earth Orientation 18. International Activities 19. Time Applications 20. Future of Timekeeping