Ancient Computer Discovered? Unveiling the Antikythera Mechanism

As a result of the Antikythera Mechanism Research Project, scientists now believe the Mechanism is the very first analog computer, made to predict positions of the known planets, solar and lunar eclipses, the cycles of the ancient Olympic Games, the rising and setting of stars and other functions still to be determined. Some believe it is possible that it is designed on heliocentric principles rather than geocentric. That would mean that some in the ancient world KNEW the earth revolved around the sun before Galileo’s (1564-1642) pronouncement. Ancient Technology—The Antikythera Mechanism - EARLY CHURCH HISTORY

The Antikythera mechanism had the first known set of scientific dials or scales, and its importance was recognized when radiographic images showed that the remaining fragments contained 30 gear wheels. No other geared mechanism of such complexity is known from the ancient world or indeed until medieval cathedral clocks were built a millennium later. Antikythera mechanism | Description, Purpose, & Facts | Britannica