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Editor's Take

Recycling on the ISS

November 17, 2008

As the astronauts offload the cargo from the Shuttle Endeavour to the ISS today to facilitate growing the crew from three to six astronauts, one item in particular is getting a lot of press: the new toilet. This is not just any toilet: this is a $250 million loo that will recycle the astronauts’ urine, sweat, and other wastewater back into drinkable water. This is a great application of technology and could cut the annual delivery water costs for the station by about 743 gallons, according to NASA officials. Besides which, this filtering process is just an accelerated version of what happens here on Earth to produce our drinking water. In fact, the water from this system is up to some of the highest standards of water in the U.S.

With all of that said, I’m not sure I’d be able to stomach the recycled water, especially after reading Endeavour’s mission specialist Don Pettit’s description of the system as a high-tech coffee maker: "It turns yesterday's coffee into today's coffee and, in turn, it makes today's coffee into tomorrow's coffee. It's one of these great, circle of life things." Maybe for the astronauts, but not for me. I’ll take my morning coffee without thinking about what it was yesterday, thank you.