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Ohio State University: fuel cells use cow-power. Or, puke for power?

Let's just get this out of the way first. EWWWWW (not ewe)! OK, done. I'm not entirely sure what "rumen fluid" is, but I already don't like the sound of it. Apparently, it is fluid from the largest chamber of a cow stomach. Reseachers at Ohio State are using the "microbe-rich" fluid, which is "from a living cow, [extracted] through a cannula, a surgically implanted porthole that leads directly into its rumen" (I told you it sounds gross). They then filled one compartment of a fuel cell with "this microbe-rich fluid and with cellulose." There ... Read more →

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