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Education

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elleng

(136,626 posts)
Fri Oct 3, 2014, 08:13 PM Oct 2014

Second graders tackle ancient technology. Welcome to Pulleys 101! [View all]

Did You Know? Archimedes of Syracuse invented the first compound pulleys 287 BC - 212 BC. Plutarch reported that Archimedes moved an entire warship, laden with men, using compound pulleys and his own strength.

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