Humans have always made use of solar energy. When man’s earliest ancestor realised that a patch of sunlight was warmer than the shade, or that rocks heated all day by the sun remained warm long into the night, solar energy was being used.
Humans have always made use of solar energy. When man’s earliest ancestor realised that a patch of sunlight was warmer than the shade, or that rocks heated all day by the sun remained warm long into the night, solar energy was being used.
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