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Shawn Frayne Demos SODIS Bag

Shawn Frayne, winner of a 2007 Breakthrough Award from Popular Mechanics, demos another one of his inventions: a self-sealing valve used on a solar disinfection bag  
 
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samtart (11 months ago) Show Hide
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i like how water spilled out at the end
nice invention
barflew (2 years ago) Show Hide
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It makes sense, But simplicity doesn't sell in todays market. It'll be great for developing third world countries that can recognize a good thing that doesn't result in a national debt that won't go away.

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