Ever wondered how deep we can dig? This video explores the challenges of deep earth drilling, noting that the deepest hole in the world, the Kola Superdeep Borehole, only scratches the surface. We look at new technologies under development to access geothermal energy and other resources deeper within the planet, pushing the boundaries of earth science. 00:00 - Intro 01:09 - The deepest hole 03:22 - Heat 05:55 - Millimeter wave 11:44 - Pressure 14:54 - Real-world testing 16:55 - What's down there? 18:34 - Earthquakes 20:36 - Economics 27:30 - The maximum depth 31:02 - Credits ------------------------------------------------------ #digging #boreholedrilling #drillinggeology #thelimit #pushinglimits WATCH MORE: Why Fully Self-Driving Cars Are Almost Impossible youtu.be/Kcq0tjmvGOs Why A Mile-High Skyscraper Is Almost Impossible youtu.be/9DaEmvKWsEA Why Humans Living In Space Is Almost Impossible youtu.be/tFgC7TwuAHU Business Insider is a global newsroom c...