It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...
WEST LAFAYETTE, Ind. – Astronauts Neil Armstrong and Jerry Ross, along with about 200 other Purdue University alumni, have added their slide rules to a new exhibit at their alma mater that testifies ...
Used by engineers for centuries, they were displaced by pocket calculators and all but forgotten until Mr. Shawlee created a subculture of obsessives and cornered the market. By Alex Traub For about ...
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