Articles With "solar" Tag

Innovative Solar Oven That Cooks Even at Night

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Solar ovens are a great way to cook sustainably, but they have the drawback of not working very well on cloudy days. However, the new SunFocus solar hybrid oven, made by Sun BD Corporation, takes care of that problem. And what’s more, you can even use this oven to cook at night. This is possible because the SunFocus oven has a hybrid solar and electric system, with the latter taking over once the sun sets or hides behind the clouds.

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ROSE Cottage Proves a Large Home Can Be Sustainable

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Harold Turner’s home near Concord, New Hampshire measures 3,370 square feet and was built using the ROSE construction method, which was created to build affordable net zero energy and cost effective homes in a wide variety of geographical locations and environments. R stands for “Renewable energy production,” O and S stand for “Owner driven spatial design,” and E is for “Energy efficient construction,” while the entire house is known as ROSE cottage and serves as a prototype and test bed for future homes to be built using this method. The entire home was built for $175 per square foot.

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Solar Cells Might Soon be Made of Paper

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While living in solar powered homes is very sustainable and environmentally friendly, the materials from which most solar PV arrays are constructed are not. Since they are often made from rare natural materials or plastics, researchers are constantly looking for way to improve this flaw and make the whole package more eco-friendly. A team of scientists from the University of Maryland, the South China University of Technology, and the University of Nebraska-Lincoln have recently developed a type of paper, which is made from wood fibers. This paper is 96 percent transparent and could conceivably one day be used instead of the plastic materials used to construct the solar cells of today. This would make solar cells more eco-friendly as well as much cheaper.

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Cost-Effective Net-Zero Houses Built in a Matter of Days

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The Santa Monica-based award-winning green design studio Minarc partnered up with Habitat for Humanity, and a local non-profit firm Restore Neighborhoods LA to design and build affordable, net-zero energy prefabricated homes in the low-income areas of South Los Angeles. Together they built 3 homes, which were all built on vacant lots in the poorest neighborhood of South Los Angeles. The houses all feature Minarc’s innovative, interlocking panel system, which is called mnmMOD. The homes are also equipped with roof top mounted solar panels.

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First LEED Platinum Home Built in North Shore Area of Chicago

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A single family home in Glencoe, Illinois recently received the LEED Platinum for Home certification. This 4,800-square-foot house is the first new home in the North Shore area of Chicago to receive this rating. Despite its many green and sustainable features, the residence looks like a traditional house from the outside. The home also boasts of a HERS rating of 32.

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Researchers Develop Self-Healing Solar Cells

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A group of researchers at the North Carolina State University (NCSU) have recently successfully developed solar cells that are able to heal themselves. More specifically, the scientists have successfully been able to solve the problem of dye-sensitized solar cells (DSSC), namely that the dyes used to create energy in these cells would eventually be destroyed by UV radiation.

DSSC cells contain a water-based gel core, electrodes, and inexpensive, light-sensitive, organic dye molecules that capture light and generate electric current. The original cells were created by mimicking the photosynthesis process that occurs in the leaves of plants. In trying to solve the problem of the dyes eventually becoming ineffective due to exposure to UV rays, the NCSU scientists again looked to plants for inspiration. The solar cells they developed contain a network of vascular channels that are very similar to the veins in a leaf, which are used to maintain water and nutrient levels throughout the leaf. The researches found that the needed dyes could be effectively delivered and replenished via this network. The dye that had been rendered ineffective by UV radiation can also be removed through this network.

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