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Kola Superdeep Borehole: The Deepest Hole Ever Made
The Kola Superdeep Borehole, dug during the Cold War, remains the deepest hole ever made by humanity. In this video, we explore the science, history, and fascinating discoveries behind this ...
The Sun1mon
Earth’s most terrifying holes from 40,000ft Soviet ‘well to hell’ to Mexico’s mysterious 500ft-wide blue ‘sea sinkhole’
The official name for the so-called "well to hell" is the Kola Superdeep Borehole SG-3 – but that's not as catchy. It's currently the deepest man-made hole on Earth, reaching a dizzying 40,230 ...
Business Insider7y
Humans have dug much deeper than you would expect
Mponeng in South Africa is the world's deepest gold mine. The Kola Superdeep Borehole is only 9 inches wide. Russian scientists have been drilling it since 1970. It's now deeper than the deepest ...
BBC3y
The Cold War race to the centre of the Earth
But what exactly will they find? Find out more about the Kola Superdeep Borehole in this BBC Future article. Video by Irina Sedunova From the Mouse Bunker to the Embassy of Czechoslovakia ...