Word: geigers
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
...Friendly Geiger Counter. Watchdog of the atomic age will be the Geiger counter, which registers even feeble radiation. Public-health officials may learn to carry them. Soldiers and diplomats, too, may find use for Geiger counters. When the Russians master atomic energy and explode their first test bomb in darkest Siberia, its radioactive by-products will sweep around the world in the upper atmosphere. Geiger counters will announce the news to every foreign office...
...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...
Some of the chemicals were mild enough to handle with long tongs. But every object was checked and rechecked with Geiger counters. Even a piece of glassware that looked entirely empty might be "hot" enough to kill...
...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...