Irrigation canals are the blood vessels of agriculture, delivering water throughout America's farmland. Pretty soon, they may well deliver a bit of electricity too, thanks to the Hydrovolt micro-generator.
This week, San Francisco is entering another one of those "heatwaves" as the newspaper calls them. That's 75 degrees, for those of you uninitiated to the reality of Bay Area micro climates. Which makes me think of this mini electric climate controller from the Herman Miller Be Collection.