The Antikythera Mechanism: Predicting Astronomical Positions and Eclipses 2,000 Years Ago (Video)
The Antikythera mechanism is an Ancient Greek orrery over 2,000 years old. It is the oldest known example of an analog computer and was used to predict astronomical positions and eclipses decades in advance. Spencer Connor is an engineer who decided to make a modernized reproduction of the Antikythera mechanism. In this video, he explains just how special the intricate clockwork was for its day, and just how complex it is to track the obits of our moon and the planets around the sun.