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Scientists may have finally made a complete digital model for the Cosmos panel of a 2,000-year-old mechanical device called the Antikythera mechanism that's believed to be the world's first computer.

First discovered in a Roman-era shipwreck by Greek sponge divers in 1900, the fragments of a shoebox-size contraption, once filled with gears and used to predict the movements of heavenly bodies, has both baffled and amazed generations of researchers ever since.

The discovered fragments made up just one-third of a larger device: a highly-sophisticated hand-powered gearbox capable of accurately predicting the motions of the five planets known to the ancient Greeks, as well as the sun, the phases of the moon and the solar and lunar eclipses —— displaying them all relative to the timings of ancient events such as the Olympic Games.