Word: methodes
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TIME'S stories on the climax of the Beirut hostage crisis [NATION, July 8] were exceptional. But you failed to mention one possible method of preventing terrorist acts against Americans in the Middle East: travel to the region must be severely restricted, if not stopped altogether. David S. Draper Arcata, Calif...
...First we had to figure out how the thing would be designed. Everyone was working just as fast as possible--either on the gun-assembly method, which was used for the uranium bomb in Hiroshima, or on the implosion method, which we used for the plutonium bomb at Trinity and later in Nagasaki. [George] Kistiakowsky pooh-poohed the implosion idea at first; he was a real tough cookie. But then he got behind it. Both bombs were going ahead full steam...
...used, uranium being that much more difficult to obtain than plutonium. One of the spurs to the American atom bomb effort had been a report in 1943 that Hitler had ordered uranium shipped out of mines in Belgium. It was also taken for granted that the gun-assembly method--one piece of purified uranium (uranium-235) fired into another at terrific speed--would work, so the Hiroshima bomb was never tested till the morning it was dropped...
...available. Side-scanning sonar, similar to the type used in finding the black boxes of the Air-India crash, provided a detailed chart of the ocean floor. A high-speed magnetometer located the ferrous metals commonly found in old cannons, muskets and ship fittings. The crew also employed a method that Fisher devised for scouring the ocean bottom: huge pipes are placed at a salvage ship's stern near the propellers, which drive jets of water through the cylinders, helping to uncover buried objects under the sea's mantle...
Unscrupulous winemakers for centuries have added all sorts of strange ingredients to their products in attempts to increase their profits. Now some Austrian vintners have found a method for doctoring plonk that is not only unorthodox but potentially lethal. Last week the Austrian government announced it had impounded more than 1 million gal. of white wine that had been adulterated with diethylene glycol, a chemical used in making aircraft antifreeze that can be fatal if swallowed...