In 1901 divers unearthed treasure from an ancient Roman shipwreck off the coast of the Greek island of Antikythera. Among the findings was a remarkable little mechanical device that defied current understandings about the technological capabilities of the Ancient World.
It took over 100 years to decipher the extremely complicated device's purpose: an astronomical clock that calculated the celestial movements of planetary bodies and that could predict eclipses with incredible precision
The original
Part of the reconstruction.