Sunday, May 27, 2012

The Sunflower focuses sunlight where you want it

The Sunflower focuses sunlight where you want it: "Some people have a cool, gloomy room in their house that receives little if any direct sunlight, even though it has a window. Should you be one of those people, and you want to save electricity, perhaps a home heliostat is what you need. Heliostats are motorized mirrored devices that move to compensate for the changing angle of the Sun as it moves across the sky, reflecting its rays onto a fixed target such as a window, photovoltaic panel, or solar oven. "

'via Blog this'

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