Hacker News
- What's the Deepest Hole Ever Dug? http://www.smithsonianmag.com/smithsonian-institution/ask-smithsonian-whats-deepest-hole-ever-dug-180954349/ 9 comments
Linking pages
- China Has Started Digging a Mysterious 10,000-Meter Deep Hole : ScienceAlert https://www.sciencealert.com/china-has-started-digging-a-mysterious-10000-meter-deep-hole 47 comments
- A Quadrillion Tons of Diamonds Lurk Deep Inside Earth https://www.nationalgeographic.com/science/2018/07/news-earth-diamonds-gems-rare-minerals-earthquakes/ 0 comments
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