The solar updraft tower is a renewable-energy power plant for generating electricity from solar power. Sunshine falling on a greenhouse-like collector structure around the base of a tall chimney heats the air within it. The resulting convection causes air to rise up the tower by the chimney effect. This airflow drives wind turbines to produce electricity.
Read more about Solar Updraft Tower: Design, History, Efficiency, Related Ideas and Adaptations, Financial Feasibility
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“Our civilization has decided ... that determining the guilt or innocence of men is a thing too important to be trusted to trained men.... When it wants a library catalogued, or the solar system discovered, or any trifle of that kind, it uses up its specialists. But when it wishes anything done which is really serious, it collects twelve of the ordinary men standing round. The same thing was done, if I remember right, by the Founder of Christianity.”
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