In cosmic terms, humans may be uncomfortably like those pale, soft-bodied insects that live under stones and dare not venture into the open. For it is becoming increasingly apparent that man is not going to be able to venture beyond the shelter of the earth's protecting atmosphere unless he develops massive, mechanical shells to protect his vulnerable body from the searing hazards of outer space.
Latest discovered hazard, and potentially the most dangerous yet, was described last week by Physicists E. P. Ney, J. R. Winckler and P. S. Freier of the University of Minnesota, who specialize on observing cosmic rays by...
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