Word: arc
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...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...
...currents are at right angles to each other, and their force makes the crust yield sideways, forming the great Fairweather Fault running up the Alaskan coast. The fault is a prolific spawning ground for earthquakes, and at its northern end is another source of seismic trouble: the great Aleutian Arc, which was formed by Siberia pressing southeastward into the Pacific and is dotted with active volcanoes. The Fairweather Fault and the Aleutian Arc intersect near Anchorage -which, as Good Friday proved, makes the site a shaky place for building a city...
...Australians reported in Nature that Vega, the first star measured by the new instrument, turns out to have an apparent diameter of 0.0037 seconds of arc, about one five-hundred-thousandth of the breadth of the full moon. Since the distance of Vega is known, its absolute diameter can be calculated as 2,800,000 miles-about 3.2 times the size...