Umm.. correct me if I'm wrong, but hasn't this concept been invented thousands of years ago? All you need to do is boil all the impurities out for 10 minutes, stick it in a sealed container, and bury it in the ground (to cool off). Doesn't anyone watch survivor? I mean granted this is a little more techy and simple, but how about creating a solar oven that unfolds, boils the water, then a release valve that transfers the pure water into an already buried, sealed container, which keeps it from being exposed to air during the entire process until your ready to drink.
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Umm.. correct me if I'm wrong, but hasn't this concept been invented thousands of years ago? All you need to do is boil all the impurities out for 10 minutes, stick it in a sealed container, and bury it in the ground (to cool off). Doesn't anyone watch survivor? I mean granted this is a little more techy and simple, but how about creating a solar oven that unfolds, boils the water, then a release valve that transfers the pure water into an already buried, sealed container, which keeps it from being exposed to air during the entire process until your ready to drink.