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Some blue-ice thinking from Frank Davis. We like open, out of the box discussions about the cause of ice agaes at the talkshop. This is as good a starter for 10 as any.

Forty years ago I was in university working on energy conservation in buildings. I worked with an electronic analogue simulation model in which thermal resistance was represented by electrical resistance, temperature by voltage, heat flow by current. My job was to control the model with one of the new microcomputers that had become available. I spent a lot of my time with a soldering iron and wires and Veroboards, getting DACs and ADCs and other bits of electronics working.

Eventually the money ran out, and I left the university, and became a freelance software engineer, working on all sorts of stuff unrelated to energy conservation.

But I never forgot what I’d learned during that time. And so I’ve always been interested in Anthropogenic Global Warming, because it’s essentially all about heat flow, although in the Earth’s atmosphere rather than in the walls and rooms of buildings. And it’s prompted me…