The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 76
... MEASUREMENTS One of the earlier experiments to measure a fundamental constant to high accuracy , as well as an example of how the accurate determination of a fundamental constant using different methods can lead to an improved under ...
... MEASUREMENTS One of the earlier experiments to measure a fundamental constant to high accuracy , as well as an example of how the accurate determination of a fundamental constant using different methods can lead to an improved under ...
Page 77
... measurements of this quantity were carried out over the period 1897 to 1938 . The experiments usually involved the deflection of beams of free electrons by electric and magnetic fields . Many of the experiments required the measurement ...
... measurements of this quantity were carried out over the period 1897 to 1938 . The experiments usually involved the deflection of beams of free electrons by electric and magnetic fields . Many of the experiments required the measurement ...
Page 507
... measurements suggest that the geological half - life is closer to the truth , and 50 billion years is now quoted in the chart of nu- clides prepared by the U.S. Atomic Energy Commission . At the present time , applying the rubidium ...
... measurements suggest that the geological half - life is closer to the truth , and 50 billion years is now quoted in the chart of nu- clides prepared by the U.S. Atomic Energy Commission . At the present time , applying the rubidium ...
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