Word: alloy
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Dates: during 1940-1949
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...Kilogram is a spool-sized chunk of 90% platinum, 10% iridium, weighing exactly one kilogram (2.2046 Ibs.). The Meter, a rod of the same alloy, is exactly one meter (39.37 in.) long. For nearly 70 years nations have sent their standards to the Pavilion de Breteuil for measuring and checking, but modern science has lessened the importance of The Meter at Paris. Instead of using a meter bar for a check, a scientist in a well-equipped laboratory can now determine the accurate meter in terms of light waves, which give as accurate a measure of distance as direct comparison...
...foreign steel? "Right now," said Soares, "we may need some kind of tariff protection. But in three years, when new ovens and converters are in operation and we are going full blast, we can compete in Brazil with foreign importations." Soares even has fond hopes of some day selling alloy steels abroad. "Volta Redonda," he says, "is the product of the collective will that will overcome all obstacles...
...years Cobalt was a ghost town. Then in 1940 it hit the comeback trail. The war created a heavy U.S. demand for cobalt as an alloy in cutting tools. In the town's heyday, get-rich-quick silver miners had tossed cobalt ore aside as useless; now it was worth over 80? a pound, and the old cobalt dumps were in demand...
Senator Claghorn, the unreconstructed Southerner who refuses to use a compass because it points north, can now take his constitutional in the deepest woods. General Electric has a new compass which points east and west. The needle is made of silmanal-a new alloy of silver, manganese and aluminum-which can be magnetized across its width instead of lengthwise, as standard compass needles must...
...Alnico (aluminum, nickel, cobalt and iron), a hard, brittle alloy which can lift 4,450 times its own weight...