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Lunar Solar Power

A Brief Description:

Lunar Solar Power (LSP) is one of the two general concepts that have been proposed for delivering solar power to Earth from space. One proposal calls for a huge satellite in geosynchronous orbit around Earth that gathers solar power in space. LSP is the second concept which envisions solar power being collected on the moon. In both ideas, many different beams of microwaves would deliver power to receivers at sites located worldwide. Each receiver, called a rectenna, would supply commercial power to a given region.



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Continue reading 26.06.2010. 13:33

Solar Energy

A Brief Description:

Solar energy is considered the clean and renewable source of energy for the future. It can be derived directly as in the following examples:
  • Sunlight hits a photovoltaic cell (also called a photoelectric cell) creating electricity.
  • Sunlight hits the dark absorber surface of a solar thermal collector and the surface warms. The heat energy is carried away by a fluid circuit.
  • Sunlight strikes a solar sail on a space craft and is converted directly into a force on the sail which causes motion of the craft.
  • Sunlight strikes a light mill and causes the vanes to rotate, although little practical application has yet been found for this effect.
  • Sunlight is focused on an externally mounted fibre optic cable which conducts sunlight into building interiors to supplement lighting.



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    Continue reading 30.01.2007. 10:07

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