Notes:
the Antikythera mechanism アンティキティラ島の機械,;
instrument 道具;
eclipse （太陽・月の）食;
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The Antikythera mechanism is the oldest computer in the world. It is about 2000 years old. It was discovered in 1900 in the sea and is believed to have been made by Greek astronomers. It contains many gears and is made from bronze. After much investigation scientists believe that the instrument was used as a calendar and as a tool for astronomical information. It also could predict eclipses, show the position of the sun and moon and tell when the Olympics would take place. It has been described in Nature as one of the most complex machines ever to have been invented.
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