Astronauts face challenges with bodily functions during spacewalks, which can last up to nine hours. Currently, they use the Maximum Absorbency Garment (MAG), an advanced diaper, to manage urination. Researchers propose an in-suit water recovery system to filter and recycle urine into potable water, addressing the limitations of diapers and providing more hydration. This system, though bulky and weighing about 8 kg, uses a dual forward osmosis-reverse osmosis (FO-RO) filtration method to ensure clean water. This approach is less advanced than the fictional stillsuits from “Dune” but offers practical benefits for astronauts.
- Sebastian Hawthorne
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