Polite and friendly but historic is the great dispute between the two foremost U. S. physicists as to what the cosmic rays are made of. Last week, this great dispute progressed a step further.
Dr. Arthur Holly Compton, the University of Chicago's Nobel Laureate, speeding into the far north after a summer of climbing mountains ibex-wise, reached a point on Hudson Bay only 350 mi. from the North Magnetic Pole in time to take cosmic ray readings during the solar eclipse. His mountain-top observations in many latitudes had led him to suspect...
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