НАСА с гордост обяви, че астронавтите на борда на Международната космическа станция пият вода, която представлява огромни 98 процента рециклирана урина, дъх и пот.Това е впечатляващо техническо постижение, което би позволило на човечеството да прекара продължителни периоди в космическо пространство или в затворена среда.“Да приемем, че съберете 100 килограма отпадъчни води. След пречистването ще имате 98 кг, а след следващия цикъл – 96 кг….
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