Don't Flush It -- Breathe It
By Philip Chien| WIRED
02:00 AM Jul, 14, 2006
This week's space shuttle mission will bring a breath of fresh air to the International Space Station with the delivery and installation of a new device from NASA that can turn astronaut pee into oxygen.
NASA's Oxygen Generation System, or OGS, is essentially a copycat of Russia's Elektron, which uses electrolysis to turn purified urine into breathable air and has been used on the space station for the past six years.
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