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Reaction to Michelle Obama saying, "For the first time, I am proud of my country"?

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48 votes, 7 comments
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RE: Filters?

Comment comment by VnutZ on 11 March 2008

A still - that's the word I was looking for earlier. I wonder if the medicinal residue would be left as a goopy solid at the bottom while the "pure" water evaporated off the top. I can't imagine this process being feasible or energy efficient on any massive scale though.

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