Scientists have dug the deepest hole ever in rock from Earth's mantle, drilling more than 4,160 feet in the North Atlantic ...
What’s the world record for deepest vertical dig? Go ahead, take a guess. We bet you won’t come close to the surprising answer unearthed in this one-minute video by Ask Smithsonian host ...
The Woodingdean Well is 1,285 feet deep. It's the deepest hole that humans have dug by hand. 33 Chilean miners were trapped in a mine for about 2 months in 2010. The Burj Khalifa would go 2,722 ...
The Woodingdean Well is 1,285 ft deep. It's the deepest hole that humans have dug by hand. 33 Chilean miners were trapped in a mine for about 2 months in 2010. The Burj Khalifa would go 2,722 ft ...