Spinning Precious Metal Out Of Hot, Thin Air

Miners have always worked under tough conditions, but in a volcano? Russian scientists are doing so in an effort to capture rhenium--a very rare, highly durable metal used in high-stress environments such as satellites, jet engines, and gas-fired turbines. The Russians are extracting the metal from noxious gases belching from a volcano in the Kuril Archipelago, north of Japan.

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