Word: uranium
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Dates: during 1930-1939
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...Uranium. Topping the atomic weight scale (though not highest in specific gravity) is uranium,? a metal which has been virtually impossible to isolate. So-called ''pure" uranium is almost always contaminated with oxides. This contaminated material and salts of the metal are used in the ceramic industry, to produce high-speed steels, in dye manufacture...
...Driggs, Westinghouse researcher, announced that he had been able to reduce a salt of uranium, in an electric vacuum furnace, to the free metal. Cost...
Chief use of free uranium is the manufacture of photo-electric cells...
...Named by the discoverer of uranous oxide, Marin Heinrich Klaproth, after the planet Uranus. Not until 60 years later was ''uranium" broken down into the true metal...