The gears are centrally connected to nested ... If you’re interested in exploring the Antikythera Mechanism further, here is Hackaday’s own in-depth look at it.

such as those used in the construction of the Antikythera Mechanism, which [Chris] has been rebuilding for the past years, using only period-correct tools. He’s learned a lot about the mechanism ...

"Here the gears are enormous ... this is the only large-scale and functional one," he warned. The Antikythera mechanism, discovered in 1901 by sponge divers, pioneers of underwater archaeology ...

The abacus, a simple counting aid, may have been invented in Babylonia (now Iraq) in the fourth century B.C. The Antikythera mechanism ... trouble carrying and its gears tend to jam.

In 1900, a storm blew a boatload of sponge divers off course and forced them to take shelter by the tiny Mediterranean island of Antikythera ... some kind of intricate mechanism.