Iron-oxidizing bacteria fooled into ‘eating’ electrons instead

Posted on Friday, February 1st, 2013 by

Scientists have long been interested in the unique properties of iron-oxidizing bacteria, and now, new research has paved the way to cultivate these bacteria using electricity instead of iron. The new method, called electrochemical cultivation, gives the bacteria a steady stream of electrons — instead of iron — that the bacteria can use to “breathe.” […]

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Masdar Developing Desalination Plants Powered by Renewable Sources

Posted on Thursday, January 31st, 2013 by

Places throughout the world are facing a looming water crisis, including the hot, dry Middle East. Seawater desalination is considered one of the best ways to meet the water needs of the area’s growing population, but the process can be energy intensive. Some new technologies have aimed at making it more efficient, but Masdar, the […]

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A Rain Forest Advocate Taps the Energy of the Sugar Palm

Posted on Wednesday, January 30th, 2013 by

One of Indonesia’s most ardent rain forest protection activists is in what may seem an unlikely position: Spearheading a project to produce biofuel from trees. But tropical forest scientist Willie Smits, ­­after 30 years studying fragile ecosystems in these Southeast Asian islands, wants to draw world attention to a powerhouse of a tree—the Arenga sugar […]

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Spin Cell Cones

Posted on Tuesday, January 29th, 2013 by

When V3Solar released information about their Spin Cell photovoltaic cones last year, the details already looked remarkably impressive; they have a smaller physical footprint than flat photovoltaic cells and the capacity to generate up to 20 times more energy for the same surface area.Now Clean Technica has estimates for the Levelized Cost of Electricity from […]

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Students Build Bike-Powered Charging Station from Scratch

Posted on Thursday, December 13th, 2012 by

There have been quite a few incarnations of this idea, but it’s always refreshing to see a fresh take on it, especially when it’s a group of students who go full DIY and build a bike charging station completely from scratch, including the bike. That’s just what a team of Northern Arizona University students […]

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Running big-draw server farms on fuel cells, solar and wind.

Posted on Wednesday, November 21st, 2012 by

The Internet uses more power than the auto industry. Microsoft and Google are trying to cut the carbon output of their server farms by investing in alternative energy. How about a data center powered by a fuel cell running on waste methane? read more original article mnn

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Four African Teens Create Pee-Powered Energy Generator

Posted on Thursday, November 15th, 2012 by

Yes thats right! Using a resource that everyone has, the girls developed a generator that  produces six hour of power for one liter of urine. Here’s how it works: Urine is put into an electrolytic cell, which cracks the urea into nitrogen, water, and hydrogen. The hydrogen goes into a water filter for purification, which […]

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Piezoelectric systems for green environment

Posted on Friday, November 9th, 2012 by

Piezoelectricity is based around the ability of some materials, notably crystals and certain ceramics, to generate an electrical field in response to applied mechanical stress Though piezoelectricity doesn’t seem practical enough for portable electronic devices, certain designers are working to make it feasible not only for portable gadgets but also on a much larger scale. […]

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Are ‘Smart Bulbs’ The Next Bright Idea In Energy Efficiency?

Posted on Thursday, November 8th, 2012 by

The Spark Socket is among a wave of new “smart bulb” products that are about to hit the market. The devices promise to give customers better control over their lighting, as well as more information about their electricity use. read more are-smart-bulbs-the-next-bright-idea-in-energy-efficiency

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‘Kite surfing’ helps generate wind power

Posted on Wednesday, November 7th, 2012 by

Compared to wind turbines, utilizing ‘kite surfing’ to harness wind power would yield more energy for much less money and could generate energy almost anywhere. read more kite-surfing-helps-generate-wind-power

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