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I started a new page
devoted to all ways of getting solar radiation to do useful things. We already have a page called Solar power, which focuses on using solar radiation to generate electrical power. So, Solar energy will focus on other uses.
(The physicist in me cringes at this distinction between "solar energy" and "solar power", particularly since I just got slammed on Azimuth for mistakenly using "terawatt" as a unit of energy — a stupid slip of the fingers, honest! But it seems to be standard.)