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The Antikythera mechanism is an ancient Greek orrery and analogue computer that predicted astronomical positions and eclipses. It was discovered in 1901 from a shipwreck off the Greek island of Antikythera and dated to the 2nd century BC.
A fishing sinker is a weight used to increase the rate of sink, anchoring ability, and/or casting distance of a fishing lure or hook. Learn about the different shapes, sizes and materials of sinkers, and the environmental concerns surrounding the use of lead and other substances.
A coracle is a small, rounded, lightweight boat made of willow and animal skin, used for fishing and transport on rivers. Learn about the origin, structure, design, and current status of coracles in Wales and other regions.
Learn about the two ships built by Caligula on Lake Nemi, a small volcanic lake near Rome, in the 1st century AD. Discover their history, purpose, features, recovery and fate.
Sinks of Gandy is a cave and underground stream in West Virginia, USA. Learn about its history, geology, access and features from this comprehensive article.
Learn about the different methods of building boats and ships in ancient times, such as skin, bark, raft, dugout, shell-first, sewn, lashed-plank, clinker, reverse clinker, mortise-and-tenon, and frame-first. See examples, history, and references for each technique.
At least nine people are dead and four are missing after a fishing vessel sank in the South Atlantic about 200 miles off the coast of the Falkland Islands, Spanish authorities said Wednesday.. The ...
A lifeboat or liferaft is a small, rigid or inflatable boat carried for emergency evacuation in the event of a disaster aboard a ship. Learn about the origins, types, and regulations of lifeboats, and see examples from history and modern times.