Word: hull
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...back, he says, another aerodynamic factor comes increasingly into play. At supersonic speeds, the swept back wings create noticeable pressure on each other; Jones likens the interference effect to that created when two motorboats speed alongside each other and waves from the bow of one boat slam into the hull of the other. When the wing is pivoted in the Jones design, however, such interference is reduced, just as when one of the boats pulls ahead of the other. Moreover, the aircraft's efficiency is further improved by simultaneously rotating the tail plane to the same oblique position...
...seeded with a variety of devices. Some explode on contact. Some detonate magnetically when they pick up the magnetic field of a passing ship. Others explode at an acoustical cue, such as a ship's propellers alongside or overhead. Still others go off when a ship's hull increases the water pressure. A mine's relatively simple computer can be programmed to react to combinations of signals. Thus some mines are equipped with "counters." They will allow, say, nine ships to pass by and then blow up the tenth. Such mines greatly increase the dangers of minesweeping...
...angry mood is well expressed by Billy Hull, a squat, beefy man who heads the Loyalist Association of Workers. "If we're sold down the drain," Hull said recently, "there wouldn't be civil war, there would be armed rebellion, and it could spread to Britain itself. We're not ready now, but, like our forefathers, it won't be long before we are." He paused, took a pull on his pint of Guinness, and added: "Bloody awful to be talking like this...
...Black Hawks are led, as usual, by Bobby Hull and Stan Mikita, who always play their best hockey during the playoffs. Goalie Tony Esposito, the other half of the infamous brothers Esposito, is the second best goalie in the NHL, though brother Phil has gotten the better of Tony this season...
SINCE early in 1970, U.S. intelligence experts have been particularly interested in satellite photos of a ship with an exceptionally long keel being constructed at the big Soviet naval shipyard in the Black Sea port of Nikolayev. In recent months, as the hull began to take shape, the photos disclosed a number of significant details-large shafts for elevators, huge fuel tanks, a flattop deck. Last week some Defense Department experts were finally willing to make a striking prediction: the Soviet navy, which for years scorned U.S. attack carriers as "floating coffins" and "sitting ducks," is now building...