"The Kola Superdeep Borehole, completed in over 20 years, is the deepest hole ever drilled, reaching only 12.3 kilometers into the Earth."
"Despite significant technological advancements, no deeper drilling has occurred since the Kola Superdeep Borehole, which represents just 0.2% of the distance to the core."
The Kola Superdeep Borehole, the deepest hole drilled by humans, reaches 12.3 kilometers, representing just 0.2% of the distance to the Earth's core. Completed over 20 years, this project remains unmatched despite advancements in technology. Experts and engineers have been consulted to explore the challenges and feasibility of drilling deeper, particularly into the Earth's mantle, raising questions about the limitations faced in such endeavors.
Read at Business Insider
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