Word: arcs
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Dates: during 1960-1969
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...film of oil not much thicker than a human hair, moves on a 30-ton bearing with the ease of a ship's gyro. The oil bearing eliminates what engineers call "stiction," for static friction, enables the antenna to rotate through more than three degrees of arc in less than one second, make a complete 180-degree about-face in less than one minute. With such agility, Haystack can track anything that can be tossed into space, right down to a fast, low-altitude satellite put up by a hostile military power...
With perverse sentimentality, posterity often remembers history's losers more fondly than the luckier or more competent heroes who beat them. But nothing like this Joan of Arc or Mary Queen of Scots effect has occurred in the case of Jefferson Davis. The public memory retains his name, but his deeds and character are dimmer than Hannibal's. Perhaps it is because Davis refused to let himself be forgiven, and went on proclaiming the Tightness of the South's cause until his death in 1889. Or it may be that the popular taste for gallant losers...
...power out of my diaphragm instead of my vocal cords, and I'm happy to be free to give Capitalism hell." Producer David Belasco tried to convince her that she should become an actress, Novelist Theodore Dreiser called her the "East Side Joan of Arc," and the famed Wobbly poet, Joe Hill, dedicated The Rebel Girl to her during the years when she raced from coast to coast battling beside strikers in the mines of the West and the textile mills of the East...
...rung-by-rung account of that ascent. There were no mysteries about it, and De Gaulle makes none. He has been accused of melodrama, egocentricity and arrogance, but his memoirs are written in an eloquently understated, supremely lucid style. As to the familiar gibe about his Joan of Arc complex, le grand Charles has never believed that he or his beloved France had any special claim to divine protection. True, he was superbly, even illogically confident. But above all else, De Gaulle has al ways been a realist. In his serene, eminently aristocratic view of human affairs...
Steady Flow. This is the job that has been taken over by the big steel cylinders, otherwise known as mercury-arc valves. Perfected for high-voltage use by Dr. Uno Lamm of Sweden's ASEA company, they are filled with hot mercury vapor and act like instantaneous switches. High-voltage AC from step-up transformers runs into them, and whenever the current changes its direction, it is switched to the opposite pole of a DC transmission line. A bank of valves switching in unison produces a steady flow of current...