Ancient Discoveries is a documentary television series that premiered on December 21, 2003 on The History Channel. The program focuses on ancient technologies. The show s theme is that many inventions which are thought to be modern have ancient roots or in some cases may have been lost and then reinvented. The program is a follow-up to a special originally broadcast in 2005 which focused on technologies from the Ancient Roman era such as the Antikythera mechanism and inventors such as Heron of Alexandria. Episodes of the regular series have expanded to cover other areas such as Egypt, China and East Asia, and the Islamic world.

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