Classroom Resource: Ancient Greek Calculating Machine

Submitted by Randy Steele on 22 September, 2012 - 19:34
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This video tells the story of an ancient Greek celestial calculation machine using precision gearing and a Lego implementation of the same device. It uses 1,500 parts and 110 gears to recreate the Greek invention. 

http://stemrobotics.cs.pdx.edu/node/531?root=291