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A device for simultaneously converting the sun’s light and heat into electricity
Posted on August 12th, 2010 1 comment
Researchers have demonstrated a new mechanism for converting both sunlight and heat into electricity.A new type of device that uses both heat and light from the sun should be more efficient than conventional solar cells, which convert only the light into electricity.
The device relies on a physical principle discovered and demonstrated by researchers at Stanford University. In their prototype, the energy in sunlight excites electrons in an electrode, and heat from the sun coaxes the excited electrons to jump across a vacuum into another electrode, generating an electrical current. The device could be designed to send waste heat to a steam engine and convert 50 percent of the energy in sunlight into electricity–a huge improvement over conventional solar cells. Read the rest of this entry »
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Switch on the pumpset through your mobile
Posted on August 10th, 2010 No comments
Everything today is just a phone call away and happens over the mobile. Here’s one such mobile that helps Indian farmers control pumps remotely.Even a farmer can use a mobile to remote control pumps, thanks to Nano Ganesh, a mobile phone based application developed by Ossian Agro Automation.”The farmer can monitor and check availability of the power at the pump, can switch the pump on/off, and acknowledge the on/off status of water pump from any place. All he has to do is pick his mobile phone, punch a few keys and the control is in his hands,” says Santosh Ostwal, CEO, Ossian Agro Automation. Read the rest of this entry »
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New Life for Old Tires
Posted on April 21st, 2010 No comments
The process involves freezing old rubber and shattering it into small particles–resulting in new, low-cost materials.Of the nearly 300 million tires discarded in the United States each year, more than half end up either as landfill or are burned for fuel in cement kilns and in other industries.
Lehigh Technologies of Tucker, GA, has developed a process for rejuvenating discarded rubber that could open up new recycling opportunities. If the company’s technology catches on, it could carve out a billion-dollar market for high-performance recycled rubber. Read the rest of this entry »
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