Word: spheres
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...year age President Truman enunciated bluntly the growing threat of Russian expansion and won overwhelming support for a foreign policy molded to drive the Soviet Union into a limited sphere. Today it is a matter of fact that we have not succeeded in stopping the extension of Russian influence. Through the Communist parties which are its international agencies the Kremlin has exerted continually increasing power throughout Europe...
...bite to back up his diplomatic bark. Selective Service and Universal Military Training, he feels together with such men as James F. Byrnes and Walter Lippman, will provide the necessary bite. They will show both Russia and those European nations which may in the future fall into Russia's sphere that we "mean business." Russia is supposed to respond by displaying new respect for the potency of American policy; and nations such as France and Italy, theoretically, will be encouraged by this new and positive display of American interest to resist Communist domination, both from within and from without...
...achieves, but he knows no peace, because higher possibilities are revealed in each achievement. In all his anxious acts man faces the temptation of illimitable possibility. "There is therefore no limit of achievement in any sphere of activity in which human history can rest with equanimity." History cannot pause. Its evil and its good are inextricably interwoven. Says Niebuhr: the creative and the destructive elements in anxiety are so mixed that to purge even moral achievement of sin is not so easy as moralists imagine...
...says Robertson, add a dimension. Take a deep breath and consider spheres instead of circles. In freshman solid geometry (which deals with ordinary "flat" space), a two-inch sphere has eight times the volume of a one-inch sphere. But if space is curved (a la Einstein), the two-inch sphere (curling in upon itself in space) will have less than eight times the volume of the one-inch sphere...
...Spheres in the realm of the nebulae may behave in the same way. When Hubble looks out into a billion-light-year sphere of space with the 200-inch's doubled range of penetration, he may not find eight times as many nebulae as in the 500-million-light-year sphere of the 100-inch. Since the nebulae are apparently pretty evenly distributed, will this mean that the larger sphere has actually less than eight times the volumes of the smaller one? If so, perhaps space is really curved-and Hubble will be the first...