Word: geigers
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Dates: during 1940-1949
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...spot this "something," they used the ultramodern technique of radioactive tracers. First they grew yeast cells in a solution containing radioactive phosphorus-32, whose uneasy atoms the cells built into certain of their proteins. With a Geiger counter, the scientists could follow these radioactive protein molecules...
Even in well-known lands there is plenty of work to do in geology, botany, zoology. Commercial explorers will look for minerals with all the complex paraphernalia of geophysical prospecting. The most exciting prize now is uranium. The standard equipment of modern explorers will be a Geiger counter...
Into the Unknown. Fermi ran the test. At 9:54 a.m. he gave an order. A whining motor withdrew the automatic control rod. The Geiger counters on the instrument panel clicked a little faster; a pen drew a slightly higher curve on a strip of paper...
...London, a model of the proposed Franklin D. Roosevelt statue had a faintly Britannic air (see cut), but a protest that came from a member of the U.S. Embassy staff concerned something else. Roosevelt photographs usually showed him seated, wrote Theodore Geiger, and "Americans are so accustomed to seeing him in that position that a statue of him standing may seem incongruous. . . ." The embassy chargé d'affaires, who had approved the design, hurriedly announced that Geiger was just giving his own, unofficial opinion...
...molecules containing radioactive sulphur could be traced with Geiger counters. If they had wandered off by themselves, they would have proved that they are different chemically from natural penicillin. But they followed it faithfully through all the processes, proving that the composition was identical...