Word: barriers
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Dates: during 1940-1949
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...third of Canada's commerce, exports more grain than any other port on the North American continent. It is closer to Liverpool than any U.S. seaport, is the nearest ocean port of any size to central Canada and to the U.S. Midwest. "If it were not for the barrier of ice," wrote Stephen Leacock, "Montreal might easily be the greatest port in all the world." In 7½ ice-free months Montrealers do their best...
Ammonium nitrate's outwardly peaceful molecule perpetually strains with suppressed desires. The oxygen and hydrogen atoms are not combined with each other, as their natures prompt them to be. They fret in frustrated juxtaposition, kept from an explosive embrace by a frangible barrier of chemical propriety...
Under ordinary conditions, the straining atoms contain themselves. But a sufficient disturbance, such as heat or shock in the presence of certain impurities, shatters the barrier. Every oxygen atom grabs two hydrogen atoms. Every pair of nitrogen atoms, deserted, grabs a single oxygen. In consummating these unions, the atoms generate enormous heat-and the salt flashes into gases: superheated steam (H2O) and nitrous oxide...
...loneliest frontiers of modern science-jet propulsion-has found an accurate metaphor. They are commissioned (but at their own risk) to cross the supersonic thresholds of the mind-the point at which the familiar sound-lengths of human life dissolve into inhuman silence. If they pass the barrier of dissolution, they may investigate in uncompetitive privacy the mysteries inaudible to the other minds. If they can recross the sonic sill, alive and sane, they may report what they have experienced to men who, never having known the experience, will never quite understand the report. Franz Kafka ventured across the barrier...
Language, to the credit of Eisenstein, is no barrier for a foreigner's complete understanding of his work, for his camera, combined with the tumultuous score of Sergei Prokofieff, fully expresses the emotional current, and the plot is distinctly visual. Photographic effects, indeed, are the strongest element in the picture, with dramatic composition in brilliant silhouetted contrast present in almost every scene. Artistic technique, in this respect, reaches its best with a show of Ivan hovering over a globe against the white interior of the imperial palace...