Mercury Rising

When I was a kid, I used to play with the shiny little balls of mercury in our bathroom drawer. A thermometer must have broken in there, and all that was left were these goofy little balls that moved when you squished them with your finger. Then the little liquid balls would regroup into a larger ball, and you could squish it again and again and
Solar Panel Sizes
Solar panels for use in residential electrical systems come in a wide range of sizes, from as small as 40 Watts or less (which is too small to do much more than trickle charge a storage battery) to more than 200 Watts, which can be combined into large arrays to provide enough electricity to eliminate the need for buying your electricity from your local utility grid.
But
Can’t Trust the Danged Gubberment!

Two disturbing news items recently crossed my desk. The first reports that LEED (Leadership in Energy and Environmental Design) certification — the gold standard for green buildings — has been given to buildings that are not in fact energy efficient.
A building can be designed on paper to be LEED-certified, but the way it’s actually constructed and operated can strip from it any sort of genuine









