Science: Operation Doorway

The Federal Civil Defense Administration has had the thankless job of trying to make civilians take precautions against the effects of atomic bombing. Civilians have not been responsive, chiefly because of a widespread conviction that no reasonable precautions will do much good. This attitude might be changed by persistent, frank discussion of the ways of atom bombs. Last week FCDA began distributing an elaborate booklet called Operation Doorstep, which is less than frank.

The booklet describes FCDA's sketchy tests held last spring at Yucca Flat, Nevada (TIME, March 30). Two "typical" frame houses, densely populated with department-store dummies, were exposed to the...

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