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Skilled Hands Bring a Differential Gear Back to LifeThis differential gear has seen better days, but a master craftsman is about to work his magic. Worn-out teeth, rusted components, and clogged grease get removed with precision tools and expert ...
Room-sized differential analyzers were among the largest computing devices built before the advent of mainframe computers. The first was completed in 1930 by Vannevar Bush and his associates at MIT ...
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