Here’s a high school science fair project for a student whose parents own a feedlot, a video camera, and a fire extinguisher. Your very own methane digester, made out of inner tubes.
The plans came out of the hippie movement (New Alchemy Cell) in 1973. Stephen Gaskin said that roach clips were the height of hippie technology, in a lot of the towns he visited. Not so Falmouth, Massachusetts. You could see if the folks here still have a copy for an energetic kid. There were some New Alchemy papers online there as PDFs today (good science fair ideas, too), but not this one. If you strike out there, get in touch with me.
(This is the first of three posts for this date.)
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