How to Take Over the World by Ryan North5/28/2023 Attempts to dig deeper were made for years, but no hole ever made it farther than 12,262m, and the scientists were forced to conclude that there was simply no technology available at the time that could push any deeper. Whenever the drill bit was removed for maintenance or repair, rocks would move into the hole to fill it. That, combined with the type of rock found and the pressure at those depths, was causing the rock to behave in a way that was almost plastic. They’d expected to encounter temperatures of around 100☌ at that depth but encountered 180☌ heat instead, which was damaging their equipment. The first was that temperatures were increasing faster than they’d expected. By 1989, Soviet scientists had reached a depth of 12,262m, but they found they were unable to make further progress due to a few related issues. It’s a hole 23 centimeters (cm) in diameter, and it was started in May 1970 with a target depth of 15,000m. The world’s deepest hole, as of this writing, is the now-abandoned Kola Superdeep Borehole, located on the Kola Peninsula in Russia, north of the Arctic Circle.
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