Word: electrochemist
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Dates: during 1940-1949
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...Machine parts made of powdered metals. Says Electrochemist Colin Garfield Fink of Columbia University: "The basic idea is simple. Fill any mold with a metal powder. Apply pressure, and increase the temperature to a certain point. ... A hard metal object is promptly produced." Advantages: speed, economy and the opportunity to make parts of a single object out of different metals, molded together...