Word: geigers
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...year old last week, the Atomic Age was offered, as one of its birthday presents, Atomic Power!, the first moving picture to portray it not as cloak-&-Geiger-counter melodrama but as deadly serious historical fact. MARCH OF TIME, with the cooperation of 20-odd scientists, who appear in the picture, has retraced and re-enacted the main publishable stages in its cause and towards its possible cure. The motion in charts and animation makes newly graphic the basic principles of fission; shots heretofore unreleased to the screen suggest some of the effects, including, as one emblem or symbol more...
...building the shielded pile looked like a mighty concrete block. A red light warned that it was working. Behind the massive walls, a blizzard of darting neutrons was smashing atomic nuclei, creating hundreds of radioactive isotopes so "hot" that invisible specks of them could kill. All around were vigilant Geiger counters ready to raise the alarm if too much radiation leaked. But the only sound was the hum of the ventilating system carrying deadly gases up the stack...
...violet radiation. In the earth's absorbent atmosphere most natural and electric light rays, except clear sunlight, contain almost no radiation in the far ultraviolet (below 3,000 angstroms*); but an open flame or spark radiates appreciable amounts in that range. Weisz developed a photoelectric adaptation of the Geiger-Miiller counter (usually used for detecting radio activity), which responds to a flame or spark but not to ordinary light. Its likely first use: in airplanes - to give warning of flaming motors...
Rear Admiral Thorvald A. Solberg, in command of the target ship's salvage operation, ordered his crews away from the light carrier Independence, hardest hit of the big ships, because Geiger counters indicated the waters contained radio-activity five times greater than a human being could safely endure
...case in point: a smallpox outbreak in Seattle (TIME, April 8), touched off by a soldier just back from Japan. Last week San Francisco's Director of Public Health, Dr. Jacob Casson Geiger, cried out that the danger of airborne epidemics is real and imminent...