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Atomic time beats the earth as the world clocks new ruler
In a long look at time, the piece explains how Earth’s wobble and calendar reforms led to better timekeeping. It details shifts from local solar times to standardized zones, the leap to Ephemeris and Ephemeris seconds, and the adoption of atomic cesium clocks as the master. It notes WWV WWY WWVH broadcasts and the goal of precise synchronization for power grids, communications, and navigation. The article traces historical milestones from Harrison’s chronometer to 1967’s definition of the second using cesium oscillations.
MENTIONED IN THIS ARTICLE
Boulder
Colo
Albert Einstein
National Bureau of Standards
Fort Collins
Here
Hawaii
Kauai
United States
Gregory XIII
Earth
Einstein
John Harrison
US Naval Observatory
WWV
Washington
Toscanini
Air India
Swaziland
Bombay
Charlie's Angels
New York
Paris
NBS
Time
International Polar Motion Service
Consultative Committee For
le Bureau International de l'Heure
BIH
Mes Enfants
la Tour d'Fiffel