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Currently Playing: The Deepest Hole in the World, And What We've Learned From It

SciShow takes you down the deepest hole in the world -- Russia's Kola Superdeep Borehole -- explaining who dug it and why, and what we learned about Earth in the process. Don't fall! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Written by Dave Loos ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.atlasobscura.com/places/kola-superdeep-borehole http://www2.gi.alaska.edu/ScienceForum/ASF7/725.html http://www.damninteresting.com/the-deepest-hole/ http://www.wirelinedrilling.com/sites/default/files/Kozlovsky%20Kola%20Deepest%20Well%20.pdf http://www.csmonitor.com/1985/0822/drock.html http://www.nytimes.com/1981/09/29/science/russians-plan-dramatic-expansion-of-effort-in-earth-drilling.html