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Directory:Solar News

For most recent solar news, go to News:Solar


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Directory:Alternative Fuels / Directory:Solar > Directory:Solar Energy Research and Development > Directory:Solar Hydrogen > Breakthrough solar reactor makes fuel from sunlight - U.S. and Swiss researchers have developed a prototype device that directly converts the Sun’s rays into fuels that can be stored, allowing the energy to be used at night or transported to locations where it is needed. Gizmag December 26, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Photovoltaic Research and Development > Solar powered microchips put batteries in the shade - In a new, more efficient approach to solar powered microelectronics, researchers in China have produced a microchip which directly integrates photovoltaic cells. What sets this device apart is that high-efficiency solar cells are placed straight onto the electronics, producing self-sufficient, low-power devices which are highly suitable for industrial serial production and can even operate indoors. (GizMag December 30, 2010)
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Template: 43: Directory:Solar > Directory:Concentrated Solar Power / Directory:Stirling Engines > Directory:Stirling Energy Systems > More Bad News for Stirling: So. Cal. Edison Cancels Power Purchase Agreement - Due to a price drop in silicon, the market is favoring PV over thermal farms except where the thermal can be used for storage, which it isn't in the SES system. A judge's ruling in favor of a Native American tribe for the land for a project that was to have produced 700 MW hasn't helped either. (GreenTech Media December 23, 2010)
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Directory:Solar > Directory:Solar Infrared Harvesting > New solar cells could even work at night - Researchers at the U.S. Department of Energy's Idaho National Laboratory say they've developed a new kind of solar cell that can generate energy even at night. The key is the ability to harvest infrared radiation as well as visible light. Almost half of the available energy in the spectrum of solar radiation resides in the infrared band, and infrared is re-emitted as heat by the Earth's surface after the sun has gone down. (UPI December 20, 2010)
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Directory:Solar Hydrogen / Directory:Algae > OriginOil Achieves Hydrogen Production Comparable To Photovoltaics - OriginOil intends the Hydrogen Harvester to be deployed as an additional system output in algae production settings, approaching an efficiency of 12 percent when exposed to the sun. An advantage is that algae stores up energy during the day and will continue to generate hydrogen throughout the night. (Biofuel Daily November 11, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Boeing to mass-produce record-breaking 39.2 percent efficiency solar cell - Boeing subsidiary Spectrolab is bringing multi-junction solar cell efficiencies seen in the lab into mass production with the announcement of its C3MJ+ solar cells which boast an average conversion efficiency of 39.2 percent. Boeing hopes to transfer its satellite success to the terrestrial solar cell market with these new high-efficiency solar cells that are expected to be available beginning in January. (GizMag November 24, 2010)
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Latest: Directory:Solar > Directory:Silicon / Directory:Superconductors / Directory:Water > Directory:Sahara Solar Breeder Super Apollo Project - An African ministry of foreign affairs is working with a Japanese ministry of education project headed by Prof. Hideomi Koinuma to explore the idea of using desert sands to create the silica for solar ("Apollo") panels that would fuel the fabrication of additional plants and the power would be transmitted by Superconductors ("Super"). (PESWiki November 27, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics / Directory:Concentrated Solar Power > Solergy Launches Next-Gen CPV With Record-Breaking Efficiency - Solergy's CPV systems featuring an all-glass optical concentrating lens - the world's first. The all-glass optics, high-precision tracking and optimized basic energy unit ensure that Solergy's system consistently produces more energy than any other PV or CPV product in existence. (Solar Daily Nov. 17, 2010)
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Directory:Oil > 300 Years of Fossil-Fueled Addiction in Five Minutes - Fossil fuels have powered human growth and ingenuity for centuries. Now that we're reaching the end of cheap and abundant oil and coal supplies, we're in for an exciting ride. While there's a real risk that we'll fall off a cliff, there's still time to control our transition to a post-carbon future. (YouTube / PostCarbonInstitute Nov. 8, 2010)
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Directory:Solar / Directory:Storage / Directory:Thermal Electric > Thermo-Chemical Solar Energy could be efficient and indefinitely storable - Researchers at MIT are working on a new process in thermo-chemical solar energy that uses a molecular structure reconfiguration to capture energy from the sun, potentially storing it forever. A molecule of fulvalene diruthenium changes its configuration when it absorbs heat, and later releases heat when it snaps back to its original shape. (MIT News Oct. 26, 2010)
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Directory:Solar > Directory:Solar:Largest > South Africa Unveils Plans For World’s Largest 5GW Solar Field - South Africa just unveiled their very own large-scale solar project – a 5GW solar field. The massive project would see solar panels installed across the Northern Cape province, which is one of the sunniest regions in the world. The $29.25 billion project could potentially generate a tenth of the country’s energy needs. The first 1 GW is expected to be done by the end of 2010. (Inhabitat Oct. 28, 2010)
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Directory:Solar > Directory:Space Based Solar Power > Massive Lunar Solar Power Tower Beams Energy to Earth - This massive astral power tower just won the 2010 Moon Capital International Design Challenge. Designed by Bryna Anderson, a graduate student from Columbia University, the concept is based on American physicist Dr. David Criswell’s proposal for a Lunar Solar Power System. It works by collecting energy on the lunar surface using photovoltaic converters and then transmitting it to Earth via microwave generators. (Inhabitat Oct. 26, 2010)
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Directory:Solar > Directory:Solar Applications > Directory:Energy from Roadways > Photovoltaic Paving Tiles Coming Soon a Sidewalk Near You - Onyx Solar recently teamed up with Butech to launch a new line of photovoltaic paving stones made from ceramic and glass. The streamlined solar stones are manufactured using a process that produces less CO2 and uses less energy than traditional pavement, making this energy-generating material even better for reducing the environmental impact of building projects. (Inhabitat Oct. 2, 2010)
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Directory:Emergency Preparedness / Directory:Water > Directory:Water Purification / Directory:Solar > Directory:Solar Applications > Hydra Is a Relief Vehicle, Water Purifier and Power Plant All in One - A company called The Essential Element has designed a vehicle, known as th Hydra, that not only provides renewable power in the aftermath of a natural disaster, but also purifies water, a resource that is often in great demand after an earthquake or similar incident. (Inhabitat Oct. 22, 2010)
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Latest: Current events > Events:Archive:2010 > Next Gen Expo -- turning a lemon to lemonade - Though a great idea (new media for rising generation), the execution of this event was juvenile, though not a complete waste of time. Highlights included Howard Bloom, Space Solar, domestic-spy-cam-disabling lasers, and a screening of a film about Wall Street criminality. (PESN Oct. 22, 2010)

Directory:Magnets > Directory:Magnets > China Lowers the Boom on Rare Earths - Monday, China embargoed exports of rare earth elements to the United States. Rare earths are integral to most all cutting edge technologies including renewable energy systems (e.g. Directory:Magnet Motors), and China controls 93-97% of the world supply. "Whenever you have a shortage of raw materials in the world, it historically has led to war." (5 Min. Forecast Oct. 20, 2010)

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Directory:Solar > Directory:Concentrated Solar Power > ZenithSolar Creates Solar Generator with Incredible 72% Efficiency - Israel-based energy company ZenithSolar has broken records with its 3rd generation CHP solar energy generator (Solar Z20) that combines heat and power systems to create an incredible 72% solar conversion efficiency by using a “semi-parabolic optical mirror for collecting solar energy” to power the local community’s electric and hot water use. (Inhabitat Oct. 20, 2010)
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Template: 43: Directory:Solar > Directory:Solar Thermal / Directory:Thermal Electric > Directory:Johnson Electro Mechanical Systems > Super Soaker Inventor Doubles Solar Power Efficiency - Lonnie Johnson's latest JTEC prototype, which looks like a desktop model for a next-generation moonshine still, features two fuel-cell-like stacks filled with hydrogen gas and connected by steel tubes with round pressure gauges. The JTEC uses heat (from the sun, for instance) to expand hydrogen atoms in one stack.... (Inhabitat Oct. 19, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Solar school dedicated - We offer our congratulations to our associate, Directory:James Dunn, who's hard work has finally materialized in a 100 kW photovoltaic system at Bancroft School in Massechussets. Dunn serves as president of Future Solar Systems of Millbury, which designed, installed and secured investors for the project, will save the school about $8,000 to $10,000 annually in energy costs. (Telegraph MA USA Oct. 9, 2010)
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Directory:Solar > Directory:Space Based Solar Power > Directory:Solar Sails > Solar Winds Could Provide 100 Billion Times Earth’s Energy Needs - Researchers from Washington State University have published a paper in the International Journal of Astrobiology stating that energy from solar winds could replace conventional forms of renewable energy produced on Earth such as solar, wind and biofuel power theorizing that a giant solar sail 5,220 miles (8,400 km) wide, designed to harness solar winds, could generate 1 billion gigawatts. (Inhabitat Oct. 5, 2010)
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Latest: Directory:Communities > OS:Utah Safe Haven Village Project > Blog > Road, Well and Green Houses Going In Minor Subdivision Approval Under Way 5-Acre Solar Farm Maybe - We've been busy in our sustainable/renewable intentional community project. Here's an update, along with some ruminating about the hard physical labor involved in building with materials that are literally dirt cheap. Is this something others will want to adapt, or is more pioneering needed to make it easier first? (Allan's Sustainable Home Oct. 5, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Solar:Largest > Worlds Largest Solar Plant Now In Ontario, Canada - Canada may not be the first place you would guess to have the world’s largest photovoltaic facility. However, the Canadian firm Enbridge Inc. and Arizona-based First Solar Inc.'s 80-megawatt Sarnia Solar Project is now the largest operational PV plant in the world. With 1.3 million modules spread over 950 acres of land, the project has the potential to supply the energy needs of up to 12,800 households. (Inhabitat: Oct. 1, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Photovoltaic Research and Development > Forcing Mismatched Elements Together Could Yield Better Solar Cells - In what could be a step toward higher efficiency solar cells, an international team including University of Michigan professors has invalidated the most commonly used model to explain the behavior of a unique class of materials called highly mismatched alloys. (Solar Daily Sept. 10, 2010)
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There was an error working with the wiki: Code[1] > Solar tracking circuit - Developed as an open source project, this inexpensive device accurately tracks the position of the sun and can be applied to a wide range of solar tracking devices. It uses GaP LEDs as sensors which feed a comparator chip which in turn drives transistors providing simple bi-directional motor control. The device has been used on solar PV, solar cookers, solar concentrators and more. (GreenWatts)
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Directory:Solar > Directory:Solar > Here Comes the Sun - Here's a great documentary by a Dutch public service TV station, VPRO, about how the sun could easily provide the planet with sufficient energy, if only we are willing to change and to invest in harvesting that solar energy. "This documentary will leave you feeling totally refreshed and recharged. Show's how fear is striking the hearts of oil producers already." -- Andrew Lee (YouTube / VPRO Backlight Oct. 21, 2008)
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Directory:Solar > Directory:Plastic Solar Cells > Cambridge University Produces Cheap Plastic Organic Solar Cell - The University of Cambridge has developed a low cost organic solar cell that has the potential to transform solar production. This new material is made of organic plastic and could be used on awnings, umbrellas and other plastic devices to generate energy. (Inhabitat Sept. 17, 2010)
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Directory:Nanotechnology / Directory:Mimicking Living Organisms / Directory:Solar > Plant-Mimicking Solar Cells Can Self-Assemble - Scientists at MIT have created a breakthrough solution to one of the biggest problems facing solar cells by mimicking the world's best harvesters of solar energy: plants. Over time, sunlight breaks down the materials in solar cells, leading to a gradual degradation of devices aiming to harvest the energy in that light. Plants don't have this problem. (EcoGeek Sept. 7, 2010)
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Directory:Nanotechnology / Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Concentrated Solar Power > Carbon nanotube “solar funnel” for smaller, more efficient solar cells - Using carbon nanotubes, MIT chemical engineers have found a way to concentrate solar energy 100 times more than a regular PV cell. Such nanotubes could form antennas that capture and focus light energy, potentially allowing much smaller and more powerful solar arrays. (GizMag September 12, 2010)
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Directory:Solar > Directory:Dye Solar Cells / Directory:BioElectricity > Directory:Algae > Solar Cells Made From Bioluminescent Jellyfish Algaelectricity - Swedish researchers have devised a way to turn the green fluorescent protein (GFP) from bioluminescent jellyfish into solar cells. The GFP-powered cells work like dye-sensitized solar cells, but don't require expensive materials such as titanium dioxide. Also, a look at biophotovoltaic devices based on algae and photosynthetic bacteria. (New Scientist Sept. 7, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > New Stick-on Solar Panels Make Installations a Snap - Global Solar unveiled a new type of flexible solar module that builders can stick directly on the roof, rather than constructing racks to hold heavy glass-covered cells. The modules won’t cost less than traditional arrays, at least initially, but they make it easier to include solar power at the time of construction and, without the racks, can cover a greater portion of the roof and provide more power. (Inhabitat Aug. 31, 2010)
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Directory:Solar > Directory:Concentrated Solar Power > Directory:Solar:Largest > 1.25 Gigawatts of Solar Thermal Power Approved in California Will Double US Capacity - The US Bureau of Land Management has issued a final environmental impact statement for the 1,000 MW Blythe Solar Power Project and the 250 MW Beacon Solar Energy project has received final California state approval as well, for a total of 1.25 GW. (TreeHugger Aug. 27, 2010)
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Directory:Solar > Directory:Solar > Self-Cleaning Technology from Mars Can Keep Terrestrial Solar Panels Dust Free - In a report at the 240th National Meeting of the American Chemical Society (ACS), scientists described how a self-cleaning coating on the surface of solar cells, based on technology developed for space missions to Mars, could increase the efficiency of producing electricity from sunlight and reduce maintenance costs for large-scale solar installations as well as residential panels. (Solar Daily Aug. 24, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Photovoltaic Research and Development > PETE Process adds thermal gain to photovoltaics - Stanford engineers have come up with a new solar energy conversion process that can potentially double the efficiency of solar cells by harvesting the wasted heat energy and keeping up and utilizing the high temperatures which are reached during conversion in a process that is called ‘photon enhanced thermionic emission’ (PETE). (Alt Energy News August 24, 2010)
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Latest / There was an error working with the wiki: Code[1] / Directory:Solar > Directory:Solar PhotoVoltaics > The rest of the story on super cheap DIY solar cells - While the Schott Solar cells from eBay seller, Fred480V, are an excellent price and quality, there is a lot more involved in making functional solar panels than just getting the cells. Much more materials, know-how, skill, and time is required. (PESN Aug. 19, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Home Generation:Solar PV > User-Installed Panel Kit Aims to Slow Meter - Clarion Technologies aims to introduce a product next Spring that plugs into a regular outlet as its means of helping supply the home power needs. As a reasonable 'getting your feet wet' approach, the three-panel system, costing around $800, mounted as an awning or on top of a roof, will produce up to 600 Watts which are fed into the home through a microinverter. (CNet August 16, 2010)
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Directory:Nanotechnology / Directory:Solar > Directory:Thin Film Solar > Transparent Solar Spray Transforms Windows Into Watts - Norwegian Company EnSol AS has developed a remarkable new spray-on solar film that allows windows to generate solar power without clouding the view. The material consists of metal nanoparticles embedded in a transparent composite matrix that can be easily sprayed on. And the cells don’t just work on glass — they can be used on the rest of the house, too! (Inhabitat Aug. 10, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Light-Bending Polymer Sticker Boosts Solar Panel Output by 10% - Looking for an instant power boost for your solar panels? Slap on a large, transparent sticker by Genie Lens Technologies to get 10 percent more juice. The polymer film, which can be applied to panels you already have installed, comes riddled with microstructures that bend incoming sunlight for better absorption. (Inhabitat Aug. 10, 2010)
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Latest There was an error working with the wiki: Code[1] / Directory:Solar > Directory:Solar PhotoVoltaics > Super cheap DIY solar cells for the common man - Could it be that Solar cells have gotten cheaper than 40 cents per watt if your a DIY guy? Or is that because they are 'seconds' with a lot of downsides that outweigh the advantages of just buying completed units? eBay pioneer seller, Fred480V, says the cells in his 1kW are not seconds but are the best available from Schott Solar. (PESN Aug. 11, 2010) (Comment)
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Latest: > Directory:Solar / Directory:Lighting > Directory:Solar Lighting - Here's a compilation of links that we've put in our news over the years, now on one page. If you know of a technology or company that should be listed there, feel free to add it. This is a publicly editable site, after all. (PESWiki Aug. 5, 2010)
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Directory:Solar > Directory:Solar Applications > Directory:Solar Applications > Solar Roadways Prototyping Video - The Solar Roadways project is working to pave roads with solar panels that you can drive on. Co-founder Scott Brusaw has made some major steps forward since our first visit back in 2007, so we visited him again earlier this year for an exclusive update on the project, including the first ever video recorded of the Solar Roadways prototype! (ConsciousMedianNetwork June 18, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > World's First-of-Its-Kind See-Thru Glass SolarWindow Capable Of Generating Electricity - New Energy Technologies has announced that researchers developing its proprietary SolarWindow technology have achieved major scientific and technical breakthroughs, allowing the Company to unveil a working prototype of the world's first-ever glass window capable of generating electricity. (Solar Daily Jul 27, 2010)
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Directory:Solar > Directory:Solar Energy Research and Development > Fly Eyes Used For Solar Cells - Researchers took corneas from blow flies, fixed them on a glass substrate, added a polymer to protect the shape and then coated nine-eye arrays in nickel within a vacuum chamber. The result was a master template that retained those useful nanoscale features and can be used to make solar cells. (Discovery July 28, 2010)
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Directory:Flight / Directory:Solar > Directory:Solar Applications > Directory:Solar:Vehicles > Zephyr Solar Plane Completes 10x Longest Unmanned Flight Ever - The Zephyr solar plane has officially broken the endurance record for an unmanned aircraft by flying for a whopping two weeks above an Arizona army range. The photovoltaic-powered Zephyr, which touched down on Friday, handily beat the previous world record of 30 hours with a new record of 336 hours! (Inhabitat July 26, 2010)
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Directory:Solar / Directory:Electrolysis / Directory:CO2 Sequestration > Solar-powered process could decrease carbon dioxide to pre-industrial levels in 10 years - In the Solar Thermal Electrochemical Photo (STEP) carbon capture process, the sun’s visible light and heat are used via an electrolysis cell to capture large amounts of carbon dioxide from the atmosphere and convert it to solid carbon for storage or carbon monoxide for fuel generation. (PhysOrg July 22, 2010)
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Directory:Mimicking Living Organisms > Design Inspiration from Nature – Biomimicry for a Better Planet - From buildings and bridges to materials and medicine – examining the design of nature has aided in the development of almost every aspect of our lives, and most of us – often without realizing – benefit from these inspired revelations several times a day. A overview, including energy applications. (Inhabitat July 16, 2010)
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Directory:Solar > Directory:Concentrated Solar Power > Directory:Solar PhotoVoltaics > Truly Amazing Advanced Solar Cell from Israel - Prof David Faiman of Zenith Solar says: "When we collect the light, instead of using a huge area of solar cells, we use an equal area of cheap glass mirrors and they are curved in such a way as to concentrate the light onto a very small solar cell, the size of just one cell, and in this way you concentrate the light a thousand times and you can get a thousand times more power out of a small cell." (iPlanet Energy News Apr. 26, 2010)
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Directory:Solar > Directory:Solar Hydrogen / Directory:Solar:Photosynthesis Imitation > Breakthrough in using sunlight to split water - A team of MIT researchers has managed to mimic the photosynthetic process in plants by engineering M13, a simple and harmless virus, to help splitting water into its two atomic components - hydrogen and oxygen - using sunlight. The virus acts as the chlorophyl by capturing light, then transfers the energy down its length, acting like a wire. (GizMag Apr. 16, 2010)
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Directory:Conventional Renewable Energy > Ten PowerPoint Slides That Shook the Earth - If you attend enough cleantech events or are pitched by enough startups, you start to see the same few PowerPoint slides over and over again. Here is a collection of the best or at least the most notorious and historically significant slides in our industry. (GreenTechMedia July 8, 2010)
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Directory:Solar / Directory:Trends > Solar's Great Leap Forward - Suntech CEO Zhengrong Shi made China a powerhouse in photovoltaic technology--and became a billionaire in the process. His next ambition: to make solar power as cheap as conventional electricity. (MIT Technology Review July/Aug 2010)
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Template: 43: Directory:Solar > Directory:Concentrated Solar Power > Directory:IAS > IAUS Exploring Multi Million Dollar Partnership in Deployment of its New Breakthrough Solar Technology - International Automated Systems, Inc. is looking to expand deployment of its solar technology that they say can be produced at a cost significantly lower than traditional solar power, and at a price point that can replace oil. IAUS currently has the capability of manufacturing approximately 350MW of its solar panels per year with the ability to quickly expand. (Business Wire June 15, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Harnessing Solar Power in a Condo - To get around the homeowners' association, Jack Lee merely places a solar panel in the window of his condo, and gets enough sunlight to power all the devices in his bachelor's pad. And he can pull from the battery of his hybrid car if he needs to so he never hooks up to the grid power available in his sockets. (CBS News Oct. 3, 2007)
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Directory:Solar > Directory:Solar PhotoVoltaics / Directory:Hydrogen > Directory:Solar Hydrogen > Jack Nicholson's 1978 Hydrogen Car - Step back in time to when solar panels were new and needed to be explained as part of a presentation on how the energy of sunlight could be used to generate electricity to electrolyze water to generate hydrogen which could run a car, using a metal catalyst to stabilize the storage of hydrogen. (GreenEnergyTV 9/9/9)
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Directory:Solar > Directory:Space Based Solar Power / Directory:Flight > Directory:Propulsion > First solar powered spacecraft successfully launched - Today, the Japan Aerospace Exploration Agency (JAXA) launched Interplanetary Kite-craft Accelerated by Radiation Of the Sun (IKAROS) craft. IKAROS is a space yacht that gathers energy for propulsion from sunlight pressure (photons) by means of a square membrane measuring 20 meters (65.6 ft) diagonally. (GizMag May 21, 2010)
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Directory:Solar > Directory:Solar Energy Research and Development > - Researchers at Wake Forest University in North Carolina have developed a way to more than double the performance of organic solar cells by adding a layer of upright optical fibers that act as sunlight traps. "It's the same thing as taking a flat device and pointing it directly at the sun all day long." (MIT Technology Review May 12, 2010)
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Template: 43: Directory:Solar / Directory:Wind > Directory:SkyBuilt Power > Skybuilt gets $3.5 million contract with Lockheed Martin to integrate renewable energy into deployable airfield power systems for US Air Force - The Basic Expeditionary Airfield Resources (BEAR) program equips U.S. forces with lightweight, air-transportable assets used to establish mobile air bases. The Integrated Smart-BEAR Power System (ISBPS) developed by Skybuilt is an intelligent system that will integrate a variety of energy sources, including renewables. (PR Newswire May 6, 2010)
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Directory:Solar > Directory:Dye Solar Cells > MIT researchers print solar cell on paper - Scientists at the Massachusetts Institute of Technology have developed a technique in which paper is coated with organic semiconductor material using a process similar to an inkjet printer, which could lower the cost and weight of solar panels. Still in the research phase, they are years from being commercialized. (CNET May 5, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics / Directory:Emergency Preparedness > Directory:Electromagnetic Pulse (EMP) > Can solar panels withstand an EMP attack? - Forum responses: Most panels have bypass diodes fitted to the discrete series arrays within the panel. Panels are not normally just a mass of cells. With EMP exposure the inverter is the biggest concern since the PN junction of a microchip/fet/transistor is much much smaller than a PN wafer of a PV panel... (EnergyMatters May 03, 2010)
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Directory:Electric Vehicles / Directory:Solar > Directory:Solar Paint > Renault Solar Paint Car - An environmentally friendly design car of the Renault combines electric power and renewable energy from solar energy through nano solar paint on car. Renault 2010 Sand Jumper uses next-gen renewable energy technology and recycled, recyclable ecological materials. (Alt Energy News Apr. 27, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > PV Cell Prototype Generates Electricity from IR and UV Light - Scientists at the Kyoto Institute of Technology are developing a way to create a photovoltaic cell that can capture visible, infrared and ultraviolet light of the sun via a nitride semiconductor added with transition metals as a photoelectric conversion material. (Alt Energy News April 26, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Carbon-based Solar Cells - Graphene is a single sheet of carbon, one atom thick, which has potential to be utilized as an effective, less toxic and cheaper than other alternatives for solar cells. Chemists at Indiana University Bloomington are trying to develop non-sticky graphene sheets that are stable. (Alt Energy News April 19, 2010)
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Latest: Directory:Trends / Directory:Free energy > Iceland volcano suggests non-solar/wind alt energy solutions - The volcano Eyjafjallajokull in Iceland that has been grounding air travel and impacting the economy in much of Europe also is not good news for the Directory:Solar and Directory:Wind energy industry, but gives a strong vote for developing other free energy technologies. (PESN April 19, 2010) (Comments)
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Directory:Solar > Directory:Solar PhotoVoltaics / Directory:Solar:Photosynthesis Imitation > Inexpensive Highly Efficient Electrochemical Solar Cells Possible - Professor Marsan at the Universite du Quebec has developed an electrochemical solar cell technology that is cheaper, and more stable than others to date. And it has bio-mimicry attributes, using some of the dynamics of photosynthesis. (ScienceDaily Apr. 12, 2010)
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Directory:Solar > Directory:Solar Applications / Directory:Lighting > Tiny Solar Pebble Can Replace Kerosene Lamps in Rural Africa - In the poorest regions of the world, exposure to kerosene kills one person every 20 seconds. Plus Minus Solar has designed the Solar Pebble to replace kerosene lamps. It is small, portable, inexpensive and can provide light as well as charge small electronic devices. (PESWiki Apr. 5, 2010)

Template: 43: Directory:Solar > Directory:Solar PhotoVoltaics / Directory:Concentrated Solar Power > Directory:Stirling Energy Systems > Stirling Energy Systems and Boeing cooperate on solar - Stirling Energy Systems (SES) and the Boeing Company are cooperating to complete the commercialisation and deployment of Boeing’s high concentration photovoltaic (HCPV) solar power technology. SES will have exclusive rights to develop, manufacture and deploy Boeing’s XR700 HCPV solar technology, which will be aimed at smaller scale projects of 50MW and below. (Renewable Energy Focus Apr. 6, 2010)

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Directory:Solar > Directory:Solar:Photosynthesis Imitation > Drawing inspiration from Mother Nature in designing an ‘artifical leaf’ - A group of Chinese scientists has presented a design strategy based on the chemistry and biology of natural leaves that could lead to working prototypes of an artificial leaf that captures solar energy and uses it efficiently to change water into hydrogen fuel. (GizMag March 26, 2010)
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Directory:Pollution / Directory:Recycling / Directory:Solar > Solar’s Dirty Little Secret - "Green" solar panels can have their dirty side in terms of disposal and manufacturing. A report by the Silicon Valley Toxics Coalition ranks solar manufacturers on environmental health and safety, and urges solar companies to start investing in recycling efforts. (GreenTechMedia March 23, 2010) (See Citizens at Risk, a 15-minute film about the dangerous electronics recyler industry in India.)
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Template: 43: Directory:Solar > Directory:Concentrated Solar Power > Directory:Solar Hydrogen Energy Corporation (SHEC) Labs > Higher Temperature Solar Thermal from SHEC - SHEC claims a concentration level of 5,000 to 22,000 suns with a "new counterintuitive and elegant design that uses no exotic materials." SHEC also claims a dramatic improvement in the power distribution curve, delivering five times as much energy over a 24-hour block of time. (GreenTechMedia March 22, 2010)
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Directory:Hydro / Directory:Solar / Directory:Storage > Solar City Tower for Rio Olympics is a Giant Energy Generating Waterfall - A large solar power plant generates energy during the day. Any excess power not used pumps seawater into a storage tank within the tower. At night, the water is released to power turbines, which will provide nighttime power for the city. On special occasions water is pumped out to create a waterfall. (Inhabitat March 19, 2010)
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Directory:Trends / Directory:Solar > Utility-Scale Solar Soaring in U.S. - There are over 100 utility-scale solar projects in the U.S. totaling 17,000 MW now in the planning stage. 75 percent of Americans, across the political spectrum, support utility-scale solar on public lands. (GreenTechMedia March 18, 2010)
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Directory:Biomass / Directory:Solar > Directory:Concentrated Solar Power > Sundrop Fuels Uses Concentrated Solar Heat to Vaporize Biomass - Sundrop Fuels has developed a system that can vaporize biomass (wood, crop waste, etc.) into synthetic fuels using concentrated solar. The solar-assisted process can allegedly produce twice the amount of gasoline or diesel than conventional biomass gasification systems. (Inhabitat March 10, 2010)
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Template: 43: Directory:Electrolysis > Directory:Solar Hydrogen > Directory:Solar:Photosynthesis Imitation > Directory:MIT:Daniel Nocera:Catalytic Electrolysis > With Artificial Photosynthesis, A Bottle of Water Could Produce Enough Energy To Power A House - Like organic photosynthesis, Nocera's reaction uses sunlight to convert carbon dioxide and water into oxygen and energy. However, whereas plants create energy in the form of sugars, this process creates energy in the form of free hydrogen. ARPA-E gave Sun Catalytix $4 million nder the Recovery Act. (Popular Science March 4, 2010)
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Directory:Fuel Efficiency > Directory:Fuel Cells > Directory:BloomBox Fuel Cell by Bloom Energy > Bloom vs. Solar: Which One Is Best? - Bloom is more expensive than solar, but available 24/7, though it has a higher maintenance requirement and shorter warranty period. Solar wins in the carbon footprint category and has already passed through the UL approval hoops. (Wired Feb. 24, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Directory:Solar:Largest > Scaling Up Solar Power - Applied Materials has developed the equipment to produce extremely large photo­voltaic panels in order to lower the price of solar power in two ways. The equipment for manufacturing thin-film solar cells operates more efficiently when the panels are bigger. And larger modules need less hardware and labor to wire them together and support them. (MIT Technology Review Mar/Apr 2010)
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Template: 43 > Congress:T100:Related Lists > Technology Review's 50 Most Innovative Companies - Ranked according to both invention superiority as well as business models. Energy winners included publicly traded companies: Directory:A123 Systems, American Superconductor, Directory:First Solar, GE, Nissan, Suntech and private companies: Directory:1366 Technologies, Amyris, Directory:Coskata Inc, Directory:eSolar, Joule Biotechnologies, Synthetic Genomics, Directory:Tesla Motors, Inc.. (MIT Technology Review Feb. 23, 2010)
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Directory:Plastic and Energy / Directory:Solar > Directory:Solar PhotoVoltaics > Low-cost, more efficient solar cells mostly plastic - By growing arrays of silicon wires in a polymer substrate, researchers at Caltech have demonstrated what they say are flexible solar cells that absorb up to 96 percent of incident light and harvest over 90 percent quantum efficiency, compared with 25 percent for the best silicon solar cells. The wires are made up of 98 percent plastic, potentially lowering the cost of photovoltaics by using just 1/50th the amount of semiconductor material used today. (EETimes Feb. 18, 2010)
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Directory:Nanotechnology / Directory:Solar > Directory:Solar Energy Research and Development > Scientists turn light into electrical current using a golden nanoscale system - Material scientists at the University of Pennsylvania have demonstrated the transduction of optical radiation to electrical current in a molecular circuit. The system, an array of nano-sized molecules of gold, respond to electromagnetic waves by creating surface plasmons that induce and project electrical current across molecules, similar to that of photovoltaic solar cells. (PhysOrg February 12, 2010 )
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Directory:Solar > Directory:Solar PhotoVoltaics > IBM’s New Solar Cell: It’s a CTZSS! -- from common-as-dirt materials - IBM says that its new solar cell could potentially lower the price of solar power in the future. The solar cell is made from copper, tin, zinc, sulfur and selenium, all of which are somewhat earth-abundant, according to IBM. The test cell achieves a 9.6 percent efficiency. (GreenTechMedia Feb. 9, 2010)
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Directory:Solar > Directory:Solar PhotoVoltaics > Millimeter-scale, energy-harvesting sensor could operate almost perpetually - Researchers at the University of Michigan have developed a solar-powered sensor system that is just nine cubic millimeters in size. It is 1,000 times smaller than comparable commercial counterparts and can harvest energy from its surroundings to operate nearly perpetually. Applications include medical device implant power, remote sensors. (GizMag Feb. 9, 2010)
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Template: 43: Directory:Solar > Directory:Concentrated Solar Power > Directory:Stirling Energy Systems > Stirling Energy Systems Unveils Commercial Scale Plant (video) - A first look at Stirling Energy Systems' Maricopa Solar plant in Arizona, hearing from Tessera Solar CEO Bob Lukefahr about the companies' plans for future developments. (Renewable Energy Access Jan. 25, 2010)
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Directory:Mimicking Living Organisms > Directory:Solar:Photosynthesis Imitation / Directory:Solar > Directory:Solar Energy Research and Development > Scientists grow solar cell components in tobacco plants - Over billions of years, plants have evolved very efficient sunlight-collecting systems. Now, scientists are trying to harness the finely tuned systems in tobacco plants in order to use them as the building blocks of solar cells, leading to the production of inexpensive, biodegradable solar cells. (PhysOrg Jan. 29, 2010)
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Latest: Directory:Electrical Grid / Directory:Nature / Directory:Conspiracy > Directory:Jesse Ventura's Conspiracy Theory Series > Review:Jesse Ventura:2012 Apocalypse Conspiracy Theory - Future solar flares could wipe out the electrical grid as well as bring major physical catastrophes to the planet. Ventura's team uncovers evidence that the U.S. government is preparing for a major disaster, planning to save only the elite, keeping their plans from the public because they don't have enough time or resources to prepare for everyone. (PESWiki Jan. 20, 2010) (Comments)
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Latest: Directory:Solar > Directory:Solar Applications / Directory:Building > Directory:Walipini Underground Greenhouses - On Jan. 15, 2010, Sterling Allan was interviewed by Joyce Riley on her nationally syndicated show, The Power Hour, about the cheap, effective, year-round greenhouse method. Locating the growing area 6’- 8’ underground and capturing and storing daytime solar radiation in the soil and water barrels are the most important principles. (PESWiki)
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Latest: Directory:Solar > Directory:Solar Applications / Directory:Building > Directory:Walipini Underground Greenhouses - The Walipini utilizes nature’s resources to provide a warm, stable, well-lit environment for year-round vegetable production. Locating the growing area 6’- 8’ underground and capturing and storing daytime solar radiation in the soil and water barrels are the most important principles in building a successful Walipini. (PESWiki Jan. 14, 2010)
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Directory:Solar > Directory:Solar Applications > SOLAR EAR: Affordable Sun-Powered Hearing Aids - Solar Ear, a Brazilian company, creates low-cost hearing aids that get their juice from solar-powered batteries, seriously cut back on battery waste, while being more affordable than traditional hearing aids. Two AA batteries are recharged by solar power and the AA batteries recharge the hearing aid batteries. (Inhabitat Jan. 6, 2009)
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Template: 43: Directory:Solar > Directory:Enviro Mission Ltd. Solar Tower > EnviroMission Plans Massive Solar Updraft Towers for Arizona - Australia-based EnviroMission Ltd plans to build two solar updraft towers in La Paz County, Arizona. Each plant would consist of a 2,400 foot chimney over a greenhouse measuring four square miles in this $750 million, 200 megawatt project." (Inhabitat Jan. 6, 2009)



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