Word: sphere
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Dates: during 1930-1939
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Universe? At present, Einstein does not know whether the universe is finite or infinite. The Relativistic picture of the cosmos is a four-dimensional sphere-or, more exactly, a "hypersphere," since an ordinary sphere can have only three dimensions. The hypersphere is curved, so it must close back on itself and therefore be finite-but only if the curvature is positive. It may be negative, that is, somewhat less curved than a straight line. Negative curvature, which in mathematics simply involves a minus sign, cannot of course be visualized; but if such is the shape of the hypersphere, the universe...
...eight courses in Chemistry or related fields, most of which require long laboratory hours. The very slight lowering in the standards of the field would be an investment yielding more than equivalent returns in the opportunity to enter athletics and other extra-curricular activities, and in a widely enlarged sphere for his pursuits...
...which is dedicated "To Save America! For God and Country!" according to advance publicity. One of its chief aims is "To instill a new spirit in American Youth, dedicated intellectually and physically to the maintenance of American institutions." But the program also "covers the entire sphere of our national life...
...auditors are allowed, first because the classroom is already full, and second because it is felt that a Radcliffe course should not be polluted by Harvard men. These being the most important reasons for the present state of affairs, it is easy to see that Mlle. Boulanger's sphere of influence is restricted by a host of technicalities, traditions, antagonisms, and sectional interests...
...know I can lick 'em," cried DePinto as he took his place, his arms laden with the spheres that were to tell the tale of victory or defeat for Harvard. He sent his first ball spinning down the alley and it scattered the candle pins for a perfect strike. He took another shot, and again all the pins were felled, and so it went until his total had sky-rocketed to 149, leaving the Crimson sphere-slingers with their 1686 aggregate score...