In 1900, Greek sponge divers discovered a shipwreck off the Greek island of Antikythera. The artifacts they came back up with included money, statues, pottery, and various other works of art and craft, as well as a curious lump of bronze and wood that turned out to be by far the most important item onboard. When an archaeologist named Valerios Stais took a look at it two years later, he noticed that the lump had a gear in it. Almost a half-century later, the science historian Derek J. de Solla Price thought this apparently mechanical object might merit further examination, and almost a quarter-century after that, he and the nuclear physicist Charalambos Karakalos published their discovery–made by using X-ray and gamma-ray images of the interior–that those divers had found a kind of ancient computer....

The video depicts a virtual model of the Antikythera Mechanism by Mogi Vicentini based on the theoretical and mechanical model by Michael T. Wright produced for the Galileo Museum in Florence, Italy.

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The Antikythera Mechanism: http://bit.ly/fm4oFK is the oldest known scientific computer, built in Greece at around 100 BCE. Lost for 2000 years, it was recovered from a shipwreck in 1901. But not until a century later was its purpose understood: an astronomical clock that determines the positions of celestial bodies with extraordinary precision. 

In 2010, we built a fully-functional replica out of Lego. 

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Antikythera Mechanism Research Project http://www.antikythera-mechanism.gr

VIA http://www.openculture.com/page/2