IOW College Library Resources

How does the world keep time?

Medium Periodical Article
Medium - part of - (Periodical Copy) (Number) 166 (Date) August
Medium (Periodical) How it works.
Classif 600 HOW
Subject Engineering
Page 40 - 43
Authors Mears, Laura
Contents

Why the tick of timekeeping devices depends on hundreds of atomic oscillators positioned across the globe.

Keywords
Atomic clock     Coordinated Universal Time     Louis Essen     Oscillators     Quartz clocks     Time     Time measurement and calendars     Time zones