Science: Waves Around the Earth

From the earth's surface, space has long seemed hardly more than an emptiness between the earth and the stars. But space probers have found that it has a geography as complex as the maze of pipes and conduits under a downtown city street. Last week the Army Signal Research and Development Laboratory at Fort Monmouth, N.J. reported the discovery of a new and unsuspected duct of ionized particles that leads magnetic waves around the earth.

When the rocket-launched atom bombs of Project Argus were exploded last year 300 miles above the South Atlantic (TIME,...

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