Solar lights are now illuminating the homes of seven million Africans and sales are doubling every year.
In an informal test of solar lights carried out by The Economist in Africa, users grumbled about the soapy quality of light and lantern-style design.
Initially developed for the distribution of cook stoves, it has expanded to a more complete basket of products including eyeglasses, vegetable seeds, solar lights and water purifiers.
Metal posts along main roads, paid for with Norwegian aid, are awaiting new solar panels and lights.
You might add some solar-powered lights to accentuate walkways and decks.
Light, a company that makes portable, rechargeable, solar-powered lights.
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They are about to grow rapidly, thanks to new environmental rules (solar power, LED lights and electric cars) or exploding demand in emerging markets (medical devices and drugs).
Now a Norwegian charity is running a pilot project to install 50 solar-powered street lights in the capital, while other donors are watching from a distance to see if that works.
Last year, the U.S Army Corps of Engineers installed more than 1, 000 solar-powered street lights in Fallujah, a predominantly Sunni city in central Iraq that was the scene of a brutal battle between insurgents and U.S. soldiers in 2004.
As detailed in a recent New York Times article, they are already importing solar panels, energy-efficient lights and tent shields for insulation.
The Northern Lights happen when incoming solar radiation hits the earth's upper atmosphere and excites atoms to a new energy state, emitting colours which is energy in the form of light.
Their solar panel system is integrated with the lights via the room controller, drawing power from man-made and natural light.
Light Energy that produces and sells solar-powered LED lanterns to replace kerosene lights in the emerging market villages.
But we set up our solar panels the day after Sandy and we had lights and power.
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The developers of a solar lamp that aims to replace kerosene-burning lights in developing countries have won a prestigious environmental award.
As more and more people install rooftop solar panels, they wonder: Could I rely on those panels to keep my lights on when the grid goes dark?
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Solar eruptions trigger aurorae on Earth, filling the night sky at high latitudes with dancing lights.
Solar is one to watch, with dropping costs and potential to keep Europe's lights on if a Mediterranean grid can be built to match the planned North Sea one.
At Language of the Birds, solar-powered books mimic birds in motion: the open pages and bindings appear as wings and LED lights within the books create patterns.
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