Word: thermonuclear
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Dates: during 1950-1959
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...ahead faster if they built only one example of each expensive piece of apparatus (e.g., cyclotrons) and used it jointly. Last week Emelyanov signed an agreement with AEC Chairman John A. McCone which provided for exchange of scientists and information, and a cooperative effort in research on controlled thermonuclear energy...
...Sunset Strip (ABC, 9-10 p.m.). After an air crash, three men and three women are washed ashore on a desert island. Nothing short of a thermonuclear bomb could upset that sort of paradise-but that is precisely what happens...
...second generation of solid-fuel missiles, designed for mass production and mass deployment through the mid-1960s, must have smaller, higher-yield thermonuclear warheads to fit their smaller nose cones. The Navy's Polaris engineers managed to test their bird's initial warhead just before the moratorium, but could not test its higher-yield follow-up warhead; the Air Force's Minuteman (see SCIENCE) and the Army's Pershing are being developed at a cost of millions to fit warheads that have not been tested, and, under the moratorium, may not be. All these tests could...
...recalculating the results of its underground shot in October 1958, has discovered that underground explosions below 20 kilotons (about Hiroshima size) cannot accurately be detected by known seismographic instruments (TIME, Jan. 12). Meanwhile, the U.S. has had to hold up development of "clean" (low-fallout) bombs and smaller thermonuclear weapons. Sample result: a delay in the smaller warhead for the second-generation Minuteman intercontinental missile...
...into now-obsolescent air-breathing missiles-Snark, Navaho, Regulus, etc.-that were inherently useless for space work. Meanwhile, the Russians were pushing ahead with ballistic missiles. By 1953, when a team of U.S. physicists headed by the late Hungarian-born John von Neumann devised a way of making a thermonuclear warhead small enough to be delivered by a ballistic missile of economic size, the Russians had a long head start in ballistic-missile development...