Yep. Here's a great TED talk by the (lead?) engineer of the project. He has a strong history in the caving community. http://www.ted.com/talks/bill_stone_exp

Yep. Here's a great TED talk by the (lead?) engineer of the project. He has a strong history in the caving community. http://www.ted.com/talks/bill_stone_explores_the_earth_and_space?language=en http://www.ted.com/talks/bill_stone_explores_the_earth_and_s...