Word: kiloton
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...increased, although Admiral William Raborn Jr. has said he needs no further tests of the present Polaris warhead. Some U.S. scientists and military men would like further testing to develop "clean" nuclear weapons with little fallout. The U.S. has developed small warheads, with a yield of less than one kiloton,* for use in tactical weapons, but so far these small warheads are "dirty," and the dirtiness makes it difficult for troops to follow behind the bombardment...
...Marcoule, near Avignon in southern France. Together the three turn out about 100 kilograms of plutonium a year. In anyone's nuclear language, this is a respectable amount of plutonium, and with it France can turn out an estimated twelve atomic bombs a year, in the 20-200 kiloton range. By the end of 1961, when two reactors now under construction at Chinon begin to produce, France's annual output should increase to 320 kilograms...
...Equal, by U.S. measurement, to a 20-kiloton, or Hiroshima, bomb...
...Very disappointing," said the U.S. State Department. Chief problem is in providing a system sensitive enough to distinguish nuclear shocks from normal small earthquakes, of which thousands occur every year. Under the Russian-approved system, U.S. negotiators pointed out, the Nevada shot-a ig-kiloton explosion-would have been read as an earthquake, and therefore ruled out for inspection. New ammunition was a study made by the Rand Corp., at the suggestion of Dr. Edward Teller, director of the Lawrence Radiation Laboratory in Livermore, Calif. Rand mathematicians theorized that any underground explosion can be "decoupled" by placing...
...committee, could theoretically disrupt radio communications in Moscow, some 7,000 miles away. Similarly, a blast set off high over the tip of South America could interfere with communications in the Washington area. But to make such interference effective, bombs much larger than Project Argus' relatively small 1.5 kiloton bombs would be required...