Word: switches
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Dates: during 1960-1969
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...Pole Switch. Even if the atmosphere absorbs most of the particles before they strike the earth, McDonald and Gunst suggest, there could be major climatic changes. During periods of intense solar bombardment, there are noticeable changes in atmospheric pressure and the direction of jet streams near the north and south poles, which are not protected by the magnetic field. Such changes on a worldwide basis, the scientists say, might cause lush valleys to become barren wastes, deserts to bloom, icecaps to grow and cover the land, or to melt and raise sea levels enough to flood coastal cities...
...disappearances of the magnetic field. Perhaps nine times in the past 4,000,000 years, geologic evidence shows, the field has mysteriously reversed. During these reversals the strength of the field gradually wanes, reaches a minimum, and then begins building up again in the opposite direction, resulting in a switch of the north and south magnetic poles. Exactly what will happen this time, McDonald and Gunst are not prepared to say. In the 700,000 years since the last reversal, most of the direct evidence of physical and biological changes that may have occurred in the absence of a magnetic...
...switch to American squash has forced Nayar to change his style. In India English squash balls are used. They're softer than those used here, and consequently corner shots are faster in American play. "I haven't yet learned to anticipate these corner shots," Nayar said...
...Nothing." What gave monarchy the coup de grace, De Gramont suggests, was a new power, a new style setter: public opinion. "My infallible Queen," Jacques Necker, one of Louis XVl's Finance Ministers, called it in a switch of fealty. Public opinion, influenced by Voltaire and a prestigious literary antiEstablishment, made regal style seem dated and absurd even to aristocrats...
...bindings must be adjusted just so: feet straightaway for a downhill race, but slightly pigeon-toed for the slaloms -so that he can get more "heel thrust" and acceleration. His choice of skis varies according to the kind of race and snow conditions; he has been known to switch skis between the two runs of a slalom race-a practice followed by few of his competitors...