Don't forget the time of the opening of the Waterworld where Kevin Costner pees in a Cup, is a machine and it drinks? It would greatly surprise you to know that NASA is working on this technology giving astronauts?
This method uses forward osmosis, which is "the natural diffusion of water through a semipermeable membrane from a solution of a lower concentration in a solution with a higher concentration. This allows you to urinate in a bag and then use the syringe attached to the bag of receptacle to transform your liquid waste in a sweet drink electrolyte.
That's right, you can transform your pee in Gatorade! I am not sure if I want to be the first to drink it. Some of you are probably find the matter subject to be "gross", and I think that it is a perfectly human response. I guess someone has to go against their natural instincts and really try to drink filtered urine.
It is quite clear that NASA would need something like this on the space shuttle. I've heard that each book adds $10,000 for costs and the stored water is quite heavy. However, there is a limit to how much you can Pee and drink. Just as in cannot recycle a product continually, water real drunk.
Since I already mentioned Waterworld at the beginning of this piece, let me go on it. Why should Kevin Costner pee in a cup for drinking water? Couldn't simply use the miles of seawater around him? And why he put the Cup on the unstable surface of a boat and urinating in it, instead of keeping closer them to his bladder? Stuff like this bored just, or maybe it's just the film Waterworld.
Source 1 and Source 2
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