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Crusty Old Computer: New imaging techniques reveal construction of ancient marvel

By Peter Weiss

- More than 2 years ago

Scientists say that they have figured out the arrangement and functions of nearly all the parts of a mysterious mechanical gadget that was discovered a century ago in a 2,000-year-old shipwreck.

THEN AND NOW. Artist’s rendering of the proposed internal machinery of an ancient astronomical computer (left) includes hands on upper- and lower-gear trains that rotated to track long-term astronomical cycles.