New solar thermal tower power plant being built that requires only sun and air

Although electrical devices have evolved rapidly over the last few decades, the plants used to generate the electricity that power these devices are still dominated by the use of steam turbines that convert thermal energy, usually from the burning of fossil fuels, into mechanical energy. Even newer solar thermal power plants concentrate the sun’s rays to heat water into high-pressure steam to drive a turbine. But with water not always readily available in locations suited to harnessing solar energy, such as deserts, a new type of solar thermal field, tower and research facility is being built in Australia that requires only air and the sun, making it ideal for parts of the world that receive minimal rainfall.

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