The Antikythera mechanism (/ˌæntɪkɪˈθɪərə/ AN-tih-kih-THEER-ə ... Four of these fragments contain gears, while inscriptions are found on many others. The largest gear is approximately 13 centimetres ...

Mexican scientists and teachers from the University of Sonora in northwestern Mexico have successfully recreated the Antikythera mechanism, the oldest mechanical computer in humanity. The replica ...