Word: drill
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Dates: during 1950-1959
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...Manhattan last week, Columbia University's School of Dental and Oral Surgery announced a new, virtually painless dental drill, the Cavitron. Designed to replace the nerve-wracking metal burr, the pencil-shaped Cavitron is quieter and quicker...
...drill grinds no metal against teeth or gum tissues. Instead, a liquid containing fine particles (usually of aluminum oxide) is forced against the tooth by ultrasonic vibrations (29,000 per sec.) of the Cavitron's tiny steel tip, and these particles neatly bore into the tooth without noise or pressure...
...such an interpretation of international law, which has always con sidered that the high seas belong to all nations in common. As far as precedent goes, there is nothing to prevent the Brit ish, for instance, from building an oil navy on the Clyde and sailing it down to drill for oil just outside Louisiana's three-mile limit...
Such problems are for the statesmen and diplomats of oil, who make their in tricate deals in New York, London or Pittsburgh. The working U.S. oilmen are sure of their own offshore empire, and they are supremely confident that they can drill through almost any depth of water...
TIDELANDS SULPHUR has been found off Louisiana in the Gulf of Mexico. Humble Oil has struck a deposit 2,500 ft. down, six miles off Grand Isle. It will drill 20 test holes in the next two years, then possibly team up with a sulphur company to mine the deposit...