Divers Found a 3,000-Year-Old Statue at the Bottom of a Lake—With Fresh Human Fingerprints
At the underwater archaeology site of Gran Carro di Bolsena in Aiola, Italy, divers found an ancient clay figurine pegged to ...
2,900-year-old settlement found submerged in Italy lake. See its treasures
An Iron Age settlement at the bottom of an Italy lake revealed more secrets. Superintendence of Archaeology, Fine Arts and ...
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How Do Iron Roughnecks Work?
Iron roughnecks clamp the bottom pipe, providing torque, while a spinning or rotary wrench turns the top pipe. Thirty-foot sections of drill pipe have one female end (or tool joint) with inside ...