Lyons Constructs First Atomic Clock
At a glance:
- Series: Great Events: 1900-2001
- Categories: Science, Technology, Inventions
- Subcategories: Inventors, Physics, Physicists, Earth Sciences
- Curriculum: American History 1901-1950
- Geographical Location: Washington, D.C.
- Date: 1948
Article abstract: Harold Lyons and his colleagues developed a clock that surpassed mechanical clocks in long-term stability, precision, and accuracy.
Time Measurement
The accurate measurement of basic quantities, such as length, electrical charge, and temperature, is the foundation of science. The results of such measurements dictate whether a scientific theory is valid or must be modified or even rejected. Many experimental quantities change over time, but time cannot be measured directly. It must be measured by the occurrence of an oscillation or...
[The entire page is 1129 words long]
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