a: Photovoltaics ~
b: electronic stuff
What: "Photovoltaics are like most electronic stuff. They started off expensive and are slowly getting cheaper. I assume they are also better than they were two or three decades ago. I think it won't be long until this space age stuff is on top of houses, cars, boats and trains everywhere. There is even a large array or two in the Dollywood parking lot. They do provide some shade for people waiting for the tram, but they also produce useful energy."
This is true, the same price implosion that has occurred over the years with PC, cameras and tablets it just now beginning with solar cells.
Date: Jan 10 2014 6:15 PM
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