Word: pureness
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Dates: during 1940-1949
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...matter what, they'll never have to sell that big drum, or the heavy upright base drum. The base is the world's largest, made of pure brass and priecless today. The band bought it for $100 and costs of transportation, from a company that it took it after-John Philip Sousa's band came...
...whole dispute is removed to the realm of pure theory anyway by the fact that the States could, 'if they wanted, pay their basic expenses with federal funds and use as much of their own money as they wanted to transport children in buses. In other words arguing about the constitutionality of auxiliary aids is so much practice in governmental theory, and no more...
Well Enough. Probably the Russians are using one or both of these processes, which have the advantage of working well enough even when they don't work too well. In the diffusion process, for instance, the U-235 has only to be pure enough to be "fissionable." If the Russian apparatus is inferior, their U-235 is just as explosive as if it came from the great precision plants at Oak Ridge, Tenn...
Plutonium is trickier. It is made in a pile consisting of natural uranium (mostly U-238) rods imbedded in super-pure graphite. When everything is just right, a chain reaction starts. Plutonium can be separated from _ uranium by comparatively simple chemical refining. But the piles themselves are not simple. If they don't work just right, they don't work...
...opinions in college affairs. Last year's article on "The Jew at Harvard," and later the discussion of the club system, were directed toward this end. By editorializing on some of the controversial problems of college life, the Advocate gives impetus to its descent from the yellow pedestal of pure letters...