How It Works

THE DEEPEST HOLES IN THE WORLD

Usually, when humanity lacks knowledge, we feel the need to explore new territory. We can do this by travelling or finding new tools to uncover the answers. Some environments are easier to explore than others, regardless of distance. In fact, during the 1960s and 1970s we set foot on the Moon hundreds of thousands of miles away, before we’d even explored a few tens of miles beneath the Earth’s crust.

We have become incredibly familiar with the Earth’s surface, inhabiting the majority of it without that much insight into the geology below. However, what lies beneath us is a question scientists have pondered and theorised about for centuries. Without seeing it, modern technology has allowed us to determine the structure of the Earth by studying seismic waves and how they travel through its layers. Even interpreting the results of this relatively accurate method doesn’t display the full details of what is down there, however. This was one of the reasons we began drilling.

Many of our planet’s deepest holes

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