Boots and Oil Blog
Al Fin: "Cowboy Commentary", aka "Eat your veggies"
Wednesday, June 18, 2014
Pure Genius: How Dean Kamen's Invention Could Bring Clean Water To Millions | Popular Science
Pure Genius: How Dean Kamen's Invention Could Bring Clean Water To Millions | Popular Science
comment:
After reading the explanation for how it works, I still don't get it. When I have time, I'll read it again.
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