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The Search For the Mount Everest of Caves
NoMeansYes writes "An interview with James Tabor, author of the new best-selling book Blind Descent, introduces a pair of accomplished scientists — American Bill Stone and Ukranian geologist Alexander Klimchouk — who are the two most prominent figures in extreme caving. Both have figured prominently in the ongoing quest to discover the deepest cave on earth. Tabor describes what conditions are like inside supercaves like Cheve (-4,869 feet) and Krubera (-7,188 feet), before discussing Stone and his far-reaching technological innovations. These include the Posideon Discovery Rebreather and NASA's ENDURANCE. Extreme caving probably won't remain underground (so to speak) much longer, however. The article notes that James Cameron is planning to release a 3D film next year about extreme cave divers."
At those pressures your lungs are working very hard. Real deep divers breathe a combination of O2 and He. You are aspiring about 21% oxygen and 72% nitrogen at this moment. Unless you are in Mom's basement. CO2 is denser than air, so it collects in basements and other low-lying regions. CO2 constitutes 0.0390% of earth's atmosphere, so it is obviously a gas that threatens humanity.
Er, I mean "Climate Change DENIER!"
Why is it so hard to only have politicians for a few years, then have them go away?