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Concluding Thoughts

  • F. G. Major

Abstract

When we look back over the course of evolution of timekeeping methods, we are struck again by the relentlessly accelerating pace of technological change: From centuries of sundials and water clocks, tower clocks, and pendulums, until within our own century we have electronic timekeeping, first with quartz crystals, then with quantum-based atomic clocks. Within the span of the last twenty-five years we have come close to the ultimate timekeeping mechanism: the inner quantum beat of a single atom frozen in space. This, at least, is the ideal for timing events within the realm of human experience.

Keywords

Time Reversal Quantum Beat Reversal Invariance Lead Shot Proper Rotation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • F. G. Major
    • 1
  1. 1.Severna ParkUSA

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