So long as man stays well down inside the atmosphere, he is protected from the buffetings of space. But what happens when he goes beyond this protection, as he probably soon will, in his high-flying airplanes and higher-flying rockets? For one thing, powerful cosmic rays will strike him oftener. Scientists have a lot to learn about cosmic rays, and much of what they already do know is carefully enfogged in military secrecy. But last week came two hints of what the scientists are up to.
Neutron Country. All winter, Dr. John Simpson of the University...
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