Science: Revolution in Magnesium

Into each of the 500-odd warplanes produced in the U.S. last week went many times as much magnesium as the total U.S. production of this soft, silvery metal in 1914. And thereby hangs a tale:

> Of how aviation created a market for the world's least-wanted metal;

> Of how magnesium became, for a brief moment, one of the great bottlenecks of rearmament;

> Of chemical ingenuity which will not only smash the bottleneck but may soon cut the price of magnesium from 27¢ to 10¢ a lb. and make magnesium a goodly post-war competitor...

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