Radio programs faded last week. Long-distance telephone conversations gurgled. Telegrams stuttered along the wires. Ships' compasses jiggled. And the Northern Lights flapped like curtains in a storm. It all reflected, said Dr. A. G. McNish, authority on the earth's magnetism, in Washington last week for a meeting of the American Geophysical Union, the worst magnetic storm in a century. This in turn was due to a great magnetic storm which swept across the face of the sun four days earlier and sent a gust of electric corpuscles toward the earth at 270 mi. per...
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