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Ancient Greek Computer Had Surprising Sun Tracker

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Antikythera model

Astronomers at the University of Washington inspect Evanss model Antikythera mechanism.

Lisa Grossman /

The world's oldest astronomical calculator is famous for having intricate gear systems centuries ahead of their time. But new work shows the Antikythera mechanism used pure geometry, as well as flashy gears to track celestial bodies' motion through the heavens.

From Wired
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