Dec 31st - Biosphere 2
This morning we went to Biosphere 2. It is an amazing facility located maybe 20 miles north of Tucson. You can read about it at http://www.b2science.org/ or at http://en.wikipedia.org/wiki/Biosphere_2 Kathy and I thought some of the stuff we heard on the tour was some tree hugger propaganda and we did some more reading. A lot of what we heard was about what was going on now that that the facility is no longer being used as a habitat, that part was probably OK. We also heard some about the original "missions", where people were sealed into the unit. The first group for 2 years and the second group for around 7 months. A LOT of what we heard about the missions was baloney. The place is an engineering marvel. When sealed the biosphere loses less air (based on percentage) than the space shuttle. This is an astounding claim but I've found it stated several places, and it is a LOT less. One of the impressive areas was the "lungs". See the photo below. The legs you se...