Monthly Archives: March, 2010

New Composter Completed

Behold the new rat proof aerobic composter!

Somebody chewed through and stole 4 inches of my monitoring cable. I’m thinking its a bird because what other animal wants ribbon cable for its nest? Monitoring is out of commission for now

Monitoring Compost, pt.1 (what we’ve got)

There is no substitute for the complexity of human senses.  Quantitative data is cannot stand in for direct experience with compost.  But it does provide a means of directly comparing processes and feedstock mixes, as well as real-time feedback for  control.   Lacking  grad students or interns we have only robots to exploit (for now…).  To [...]

the internet of decomposers

I’ve just installed an Arduino-based temperature logger at five points in our compost pile, proving the obvious: it’s hotter on the sunny side and hottest in the middle.  Details tomorrow, but check out these sweet dashboard widgets!

Who Will Control Phosphorus?

Seems to be on everyone’s mind these days, and the Australians are leading the way.  Carol, one of our compatriots from ReCode Oregon, brought out this great handout on the topic from The Global Phosphorus Research Initiative in Sydney, and then today John Thackara’s Doors of Perception newsletter lands in my inbox with this note: [...]

We’re speaking at PSU on January 25th

noon on a Wednesday. Room 296 in the Smith Memorial Student Union (near SW Broadway and SW Harrison). We will speak about the recent history of urban sanitation, and the dual crisises of resource management and aging infrastructure driving the development and deployment of alternatives.  The talk will focus on case studies of alternative systems in the US, China, Germany, Sweden, and Yemen.
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