The Challenge of Solar Power

From Teachers TV, this Inside Science video describes technologies and concepts which are attempting to use solar energy as a renewable source of electricity.

One of the world's most visionary solar power plants is near Seville, Spain. This solar plant may be providing all of Seville's electricity needs in the years ahead, by using concentrated solar energy. An engineer at the Seville plant explains how ancient concepts and modern technologies combine to pave the way for endlessly renewable energy from the sun.

Also described is how cutting edge photovoltaic cells work and the concept of using the world's deserts as a land base for solar energy electricity generation plants.

Finally, a think tank adviser to governments and businesses explains some of the financial and political obstacles confronting renewable energy, and how to overcome them.

The video helps to illustrate the applications and implications of science.

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