4: The Antikythera Mechanism
In 1901, a ship was discovered at the bottom of the sea near
the Greek island of Antikythera. On the ship was an ancient
machine. It had been made about 1,900 years earlier, in 2
BC. For many years after its discovery, nobody
understood
exactly what the machine was for. But in the 1970s, scientist
used X-rays to find out its secrets. Amazingly, they found
that the machine was an ancient computer. It had been
designed to predict the
movements of the Sun, the Moon
and the planets. It did this using more than thirty hand-made
metal wheels of different sizes. A study of the mechanism in
2006 was led by Professor Michael Edmunds from Cardiff
University. He described the device as ‘just
extraordinary,
the only thing of its kind’ and ‘more valuable than the
Mona
Lisa’. Reconstructions have been made and the device
works perfectly.
3.14 Lesson 9G, Exercises 2 and 4
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