30 Jan '13, 5pm

çiçek ek elektrik biç:

Image: Tim Robberts/Getty Images Cast-off electrons in a plant’s roots can provide electricity, a Dutch team reports . Now, through a spin-off company, it hopes to grow grassy generators on rooftops and promote decentralized electrical production in wetlands in developing countries.
 Plants exude a variety of waste products that microbes consume, such as glucose, acetate, butyrate, and propionate. The underground interaction leaves spare electrons in the surrounding soil and water, which researchers—led by Bert Hamelers at Wageningen University, in the Netherlands—began tapping in experiments in 2007. They were already working on using so-called microbial fuel cells (MFCs) to treat wastewater when they realized that plant roots improved the performance of the fuel cells.
 In a series of experiments, the team measured the performance of its fuel cells as used in conjunction...

Full article: http://spectrum.ieee.org/energy/environment/plugging-in-t...

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