The Antikythera Mechanism, Found in 2,000-Year-Old Shipwreck
For over two millennia this ancient astronomy calculator remained in the depths of the Mediterranean Sea; it was only in 1900 when Antikythera, a small Greek island, was explored by divers that this thirty gear complex consisting of hand-cut bronze pieces was revealed. Its creators remain a mystery, and it has taken many years for researchers to fully understand the sophisticated technology behind the Antikythera Mechanism.