The Ancient Greek Antikythera Device (BBC Documentary)
The Antikythera instrument found in an ancient Roman shipwreck, is believed to have been designed and constructed
by Greek scientists and has been variously dated to about 87 BC, or between 150 and 100 BC, or to 205 BC.
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This artifact was among wreckage retrieved from a shipwreck off the coast of the Greek island Antikythera in 1901.
In 2008, a team led by Mike Edmunds and Tony Freeth at Cardiff University used modern computer x-ray
tomography and high resolution surface scanning to image inside fragments of the crust-encased mechanism
and read the faintest inscriptions that once covered the outer casing of the machine.
Antikythera Mechanism replica in scale 1:3, with booklet CA$106.05+
via The documentary shows the scientists, mathematicians, engineer involved in reconstructing the mechanism.
https://en.wikipedia.org/wiki/Antikythera_mechanism dr. π (pi)
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