Xenophon Moussas, physicist and member of the Antikythera Mechanism Research Project, sheds light on the mysterious device that has been described as an “ancient computer,” an “astronomical calculator,” and a “mechanical cosmos.” For more information on the mechanism – including images, reconstructions, and other resources – visit our website at greecepodcast.com/9 Also check out the YouTube channel “Clickspring” to see a clockmaker build a replica of the mechanism piece by piece.