Optimal planning of solar power plants

The photovoltaics industry is booming, and the market for solar farms is growing quickly all over the world. Yet, the task of planning PV power plants to make them as effi cient as possible is far from trivial. Fraunhofer ...

Temperature differences give rise to electricity

More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses are even greater ...

Demystifying yield fluctuations for greenhouse tomatoes

Growing tomatoes is not always easy. In many parts of the world summers are too hot to grow tomatoes in greenhouses, even those with intricate cooling systems. In cooler climates where tomatoes are grown year-round in production ...

Nanotechnology could help Arab region

"Nanotechnology could aid the future of development of the Arab region," says Mohamed H.A. Hassan, executive director of TWAS, the academy of sciences for the developing world, and president of the African Academy of Sciences. ...

Calif. solar firm hits desert swarm

BrightSource Energy has encountered some storm clouds in its quest to bring a solar future to large stretches of the western United States. The Oakland, Calif.,-based developer of solar farms has been forced to scuttle its ...

Schwarzenegger to veto renewable energy bills

(AP) -- Gov. Arnold Schwarzenegger's office said Saturday that he would veto legislation requiring a third of California's energy to come from renewable sources by 2020, choosing instead to mandate the change through an ...

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