Antikythera mechanism
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The Antikythera mechanism is an ancient Greek hand-powered orrery built in the 2nd century BC and discovered in 1901. It is the oldest known example of an analogue computer. It could be used to predic
Derek J. de Solla Price (1922–1983) with a model of the Antikythera mechanism
Computer-generated front panel of the Freeth model
Front panel of a 2007 re-creation
Computer-generated back panel
Out-of-place artifact
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An out-of-place artifact is an artifact of historical, archaeological, or paleontological interest to someone that is claimed to have been found in an unusual context, which someone claims to challeng
Antikythera mechanism
…Ctesibius – 3rd-century BC Greek inventor and mathematician Out-of-place artifact – Artifacts that challenge historical chronology Reverse engineering – Process of extracting design information from anything artificial…
The Tamil Bell is a broken bronze bell used as a cooking pot by Māori women of New Zealand.
The Shroud of Turin: modern photo of the face, positive left, digitally processed negative image right
The three components of the Baghdad Battery
The iron pillar of Delhi