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Let Me Know When You Can Power A Car With It
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You know this is going to have to happen, but you don't want to think about it: If we're going to send people deeper into space, like to Mars, we're going to have to have them drink pee. Filtered pee that's just water at the end, but they already do that on the International Space Station and you have to take your mind off the origin. No, newer systems will not only turn pee into water but into energy, too, helping power spacecraft. And that's critical, because otherwise, you're going to end up with so much pee on board, it'll end up comprising 80 to 90 percent of the mass on a spaceship, so being able to use it will help lighten the load. Scientifically, it's pretty cool. But we're human, and we're going to think about all that pee. (Science News)
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