Fri. Feb 3rd, 2023

This may come as a surprise, but it is not true that photovoltaics is a completely new energy concept. In fact, their history goes back far into the dim past. The early advanced cultures of South America as well as the ancient Egyptians and Mesopotamians already used the sun’s energy – not to produce electricity, but to generate heat. People built their houses in such a way that the sunlight fell…

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