The Antikythera mechanism (/ˌæntɪkɪˈθɪərə/ AN-tih-kih-THEER-ə) is an ancient Greek hand-powered orrery, described as the oldest example of an analogue computer used to predict astronomical positions ...

After in depth research on the remnants of the eclipse predictor as retained by the Antikythera mechanism, scientists came to the conclusions that the mechanism took calculations that determined ...