There is an article on this in Nature News today,
Antikythera Mechanism may have timetabled ancient Olympic Games.
The Antikythera Mechanism, a clockwork device
made in Greece around 150–100 BC, astounded the
world two years ago when scientists deduced how
this machine was used to make complex
astronomical time-reckonings. Now they say that
the instrument, discovered in 1901 in a
Mediterranean shipwreck, did much more than that.
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