Science: Sun Rays and Weather

Everybody talks about the weather but nobody does anything about it, complained Mark Twain. Last week, however, somebody did. Dr. Charles Greeley Abbot, grey, 72-year-old Secretary of the Smithsonian Institution, announced the most important advance in weather forecasting since 1909.*

Dr. Abbot had developed a method of long-range prediction by measuring variations in the amount of heat the earth gets from the sun. His system works so well that last year he forecast almost to the drop how much rain would fall and which days would be rainy in Washington, D.C.

Scientists in general have...

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