22 Jan '14, 5pm

GPS-powered sun tracker skylights direct natural daylight indoors

GPS-powered sun tracker skylights direct natural daylight indoors

Even with the most advanced lighting products , there's a tradeoff. You can have bright lights, you can have energy-efficient lights, you can have "full-spectrum" light, but short of bringing actual sunlight inside, you probably aren't going to get all three. Skylights and solar tubes can direct sunlight down inside from the roof of the building, but their effectiveness diminishes as the sun moves across the sky, especially in the winter, when the sun is at a lower angle. However, by using a system of moveable mirrors, which are directed by a solar-powered GPS device, inside a skylight, natural daylight can be brought into a building virtually all day long, giving workers or residents the benefit of not just free lighting, but the natural richness of the sun's rays. The difference between the passive daylighting systems (such as a conventional skylight or windows), and act...

Full article: http://www.treehugger.com/clean-technology/gps-powered-su...

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Direct Owner - Small Room @ $350

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naturalhomes.org 26 Jan '14, 9pm

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summer's coming

summer's coming

oikos.com 26 Jan '14, 5pm

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Success for Cab Direct's first roadshow of 2014.

cabdirect.com 22 Jan '14, 2pm

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spectrum.ieee.org 22 Jan '14, 1pm

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greencarreports.com 21 Jan '14, 2pm

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GPS Engagement Ring Box

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hackaday.com 23 Jan '14, 12am

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hackaday.com 23 Jan '14, 9am

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hackaday.com 23 Jan '14, 12pm

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twitter.com 01 Feb '14, 6pm

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