Word: drilled
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Dates: during 1950-1959
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...human hearing (about 20,000 cycles per second*) In industry ultrasound waves are used to precipitate carbon and sulphur from chimney exhausts, abating the smoke nuisance and recapturing useful materials, and for testing big metal components such as locomotive axles for flaws. In dentistry there is the ultrasonic drill. In medicine a few enthusiasts have reported good results with ultrasound in arthritis, neuritis, muscle spasm and athletic injuries. It will break up gallstones or kidney stones in an animal's body, and some physicians hope soon to use it for this in human patients...
...operation, each patient got only a local anesthetic, an injection of procaine hydrochloride into the scalp. Then, with a drill and saw, Dr. Meyers removed a piece of the skull, four by five inches. Ultrasound cannot be transmitted through bone because on meeting such resistance it generates too much heat. With the skull flap out of the way, the surgeons made a shallow pan in its place, using a metal strip as border and the dura mater (the brain's parchment-like covering) as the bottom. This they filled with salt solution from which all gas had been removed...
Ballet for Balance. Arnold Fenton has long practiced what he preaches; as a four-year-old, he booted drop kicks over his mother's clothesline in Metuchen, N.J. By the time he hit the University of Pennsylvania in 1922, he could drill a drop kick through the uprights from 45 yds. out. But as a Penn sophomore, Fenton suffered a concussion in an early scrimmage. He never played again. "When I got clobbered like that," he explains, "I turned to kicking as compensation...
...last big undeveloped oil province in the U.S." Yet, while the U.S. is worried about sources and has only an eleven-year supply of proven reserves, Magnolia and most of the other major producers are cutting back their offshore search. Last week only 79 seaborne rigs were poking their drill bits into the Gulf of Mexico; last August in rigs were operating off Louisiana's shores alone...
Below Capacity. Oilmen last week were working some offshore wells at only one-third capacity. And they were slowing down new drilling. Explained Magnolia President J. L. Latimer: "We are not going to drill a lot of new wells to bring in fewer barrels...