Science: Loyal Ally

An old ally that helped the U.S. through World War II is back working for the U.S. again in Korea. After years of observing the effect of sunspots on electrical communications, Cornell's Dr. Carl W. Gartlein reported last week in a survey for the National Geographic Society that the sun is still doing its bit.

Sunspots, and the electrical particles that shoot out from them, come & go in an eleven-year cycle. During World War II the sunspots were waning, and the earth was comparatively free of electrical disturbances. This favored the allies, says Dr. Gartlein, because they relied more on electrical...

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