Word: sphere
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Dates: during 1950-1959
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...bore is 280 millimeters (11 in.). Since the vital parts of an atom bomb must be roughly spherical, the atomic explosive packed into the gun's shell is not likely to be much larger than a sphere eleven inches in diameter (a regulation basketball...
...were all uranium-the heaviest metal-such a sphere would weigh about 460 Ibs., but only a small part (one guess: 24 Ibs.) can be uranium or plutonium. There must be a chemical explosive to start the nuclear reaction, and there may be some empty space...
...bombs was a large mass of "tamper," i.e., a heavy metal such as lead or tungsten, whose inertia held the bomb together while the nuclear explosion was getting under way. If the tamper were eliminated, which is possible, the bomb would weigh not much more than an eleven-inch sphere of TNT (about...
...failure for a strongly constituted Atlantic Community. Decisions of vital concern to Britain and Western Europe have been postponed until we select a new leader, and it will be important for him to be able to exercise immediate judgment based on personal familiarity with the problems in this sphere. Eisenhower's qualification of a year's experience as commander in SHAPE gives him a pre-eminent advantage here. (2) "Theirs (the GOP) is a policy of opposition at any cost, and although if in power they would change little, they have adopted the most negative sort of conservatism." The General...
...fame--and notoriety--that Conant has gained in non-Cambridge circles has served to a great extent to place him in a sphere far outside that of the ordinary undergraduate. To the average Harvard student Conant at times appears little more than a glossy figure-head who journeys around the country gaining prestige while the University is run by some people over in University Hall. Faculty members smile gently at this notion; they realize that Conant, as he should be, is by far the most influential figure in the administration of the University, and that his influence stems not only...