With Java animations by Bill Casselman
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This column was based on published research by Derek de Solla Price, mainly his article Gears from the Greeks - The Antikythera Mechanism, A Calendar Computer from ca. 80 B.C., Transactions of the American Philosophical Society 64, part 7 1974. Recently the Antikythera Research Project, led by Tony Freeth, Alexander Jones and collaborators, has applied new technology, including computed X-ray tomography (like a high-resolution CAT-scan), to the study of the mechanism. It turns out that much of Price's detailed analysis of its internal workings was wrong.References to the new interpretation of the mechanism are available here.