Word: tantalum
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Dates: during 1940-1949
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...hunters are 350 U.S. geologists. They have bagged millions of tons of war-critical ores. WPB has just scratched aluminum and zinc off the list of U.S. shortages. Copper may soon follow suit. The Government now knows of big U.S. deposits of manganese, vanadium, tantalum and chromite-not one of which was produced in quantity in the U.S. before the war. Already the nation can produce most of its own chromite and tantalum (crucially important in a secret war job). The hunters have also discovered 3,000,000 tons of high-grade bauxite (for aluminum), new sources of tungsten, magnesium...
...padding to restore contours of a nose or ear, the best material is cartilage from the breastbone. Living or preserved cartilage can be used, cut to shape or even diced. Best material for filling out bones in the face is the porous bone from the top of the hip. Tantalum or vitallium plates serve for skull injuries...
...Optical glass made without silica (sand or quartz)-"almost as revolutionary," says Eastman Kodak Co., "as if someone had discovered how to make steel without iron." It is compounded of three rare metals: tantalum, tungsten, lanthanum...