International Space Station’s $23 million toilet does far more than collect waste. It helps recycle about 98% of the station’s water into drinking water |
Life aboard the International Space Station (ISS) depends on making the most of every available resource, especially water. Transporting supplies from Earth is enormously expensive, so astronauts cannot simply rely on regular deliveries for drinking water. Instead, the ISS uses one of the most sophisticated recycling systems ever built. At the heart of that system…