if you've ever thought what if I just dug a really really deep hole that's what the USSR did right here that hole is 12.2 km or 7.6 miles deep that makes it deeper than the Mariana Trench it's deeper than Mount Everest is tall the USSR dug it starting in 1970 it was part of a race to see who could retrieve a sample from the Earth's mantle first kind of a space race but the opposite the United States only reached 600 ft before pulling funding but the USSR kept going for 20 years they made it about
a third of the way through Earth's crust before the temperature got a lot hotter than they expected their drill bits started melting The Rock was so hot it was like plastic but along the way they invented all kinds of drilling and scientific equipment that we still use today they found fossils of organisms dating Back 2 billion years and discovered that there was water much deeper than previous like thought it's crazy though that the deepest hole Humanity has ever dug is still 0.002% of the way to the middle of the Earth there's so much that we
still don't know about our own Planet if you like optimistic Science and Tech stories follow from more