Word: heirtzler
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Dates: during 1968-1968
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Impressed by the apparent correlation between wobble and earthquakes, Columbia University Physicist James Heirtzler offers a different theory in the current issue of Scientific American. The prequake variations in the path of the pole suggest to him that the wobble is responsible for-rather than a result of-the earthquakes. Furthermore, he speculates, the wobble may also cause climate changes, mountain-building, and even the occasional reversal of the earth's magnetic field. But Heirtzler's theory still leaves wide open the question that Mansinha and Smylie believe they have correctly answered: What causes the wobble...
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