can anyone tell me when comet elenin entered our solar system?

the truth Asked: can anyone tell me when comet elenin entered our solar system? Comet Elenin, like most comets, has _always_ been part of our Solar System. Countless numbers of comets exist in the outer reaches of our Solar System, in the Oort Cloud. For whatever reason, they come into the inner Solar System for [...]

Source: http://solarbatterycharger.mobi/can-anyone-tell-me-when-comet-elenin-entered-our-solar-system/

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Orion HighLight Barlow

[tube]http://www.youtube.com/watch?v=GcdSqIhjhIU[/tube] DISCOUNT LINK WWW.AMAZON.COM Binoculars Telescopes Optics Orion HighLight Barlow When you need to crank up your telescope's magnifying power, do it with a premium-quality HighLight Barlow. You'll get power to burn, plus other optical benefits that make them a must-have accessory for your observing arsenal. HighLight barlow lenses are ideal for lunar and planetary [...]

Source: http://solarbatterycharger.mobi/orion-highlight-barlow/

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A Tribute to One of the Lions Who Helped Us Arrive Where We Are Today

On Sunday August 8, former Senator Mark Hatfield, an anti-war Republican from Oregon, died at age 89. In his 30 years in the Senate, Hatfield was not only one of the Senate chamber's most consistent voices against the war in Vietnam, but he was also an ardent advocate of environmental protection and renewable energy. In my nine years as a Senate aide in the 1970's, I got to know him well.

Source: http://www.renewableenergyworld.com/rea/news/article/2011/08/a-tribute-to-one-of-the-lions-who-helped-us-arrive-where-we-are-today?cmpid=rss

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ArrayPower Launches Sequenced Inverter

 

pv_panels_5654382_175x116ArrayPower, a Silicon Valley-based power electronics company, today announced the launch of its Sequenced Inverter technology for use in photovoltaic (PV) systems that is designed specifically for commercial-scale solar installations.

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Source: http://feeds.novustoday.com/~r/SolarNovus/~3/0jIAsV-Vqng/index.php

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SunPower Posts First Comprehensive Sustainability Report

SunPower Corp.,a Silicon Valley-based manufacturer of the world's highest efficiency solar cells, solar panels and solar systems, today announced that its 2010 Sustainability Report is now available. The report provides an overview of the company's sustainability performance, sets a baseline for improvements and contributes to the advancement of sustainability in the solar industry.

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Source: http://feeds.novustoday.com/~r/SolarNovus/~3/oOjkHkTZuTk/index.php

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Smart Windows: Strong Growth Ahead

A new report identifies dynamic smart windows and advanced insulation as some of the high growth segments of the green building industry.

Although they have a negligible market today, Lux Research projects they'll grow to a $829 million market by 2020.

Dynamic windows - which can switch from a clear to a darkened state to provide shading from the sun - are expected to grow to a $418 million market by 2020.

Emerging insulation technologies like aerogels and phase-change materials will find small but profitable niches, growing to $230 million and $130 million, respectively. Vacuum insulation panels will struggle with usability and high costs, and reach just $50 million by 2020.

"Dynamic windows and advanced insulation have reached a level of maturity and scale that make them inviting alternatives, even for the normally conservative and price-conscious construction industry," says Murray McCutcheon, a Lux analyst and lead author of the report. "Dynamic windows, for instance, will gain footing now through public-sector installations; this initial prove-out will create the volume to drive costs down further and fuel adoption by the commercial sector past 2016."

Europe will likely be fertile ground for these technologies because it emphasizes the thermal envelope in its building efficiency standards. 

Europe already holds a 57% market share for dynamic window thanks to higher energy prices and strict energy-efficiency regulations.

Lux analysts say growth will accelerate worldwide as dynamic windows reach scale and costs drop - a process that is already underway. Costs are dropping for smart windows at about 5% a year - if they dropped twice as fast, the market would grow to over $1.4 billion.

Michigan-based Pleotint recently started commercial production on thermochromic windows - which darken in response to the heat of direct sunlight - in a two million square feet plant. 

Sage and Soladigm are nearing completion of $100 million  manufacturing plants slated to come online in 2012. They make  electrochromic windows which tint in response to an electric current that can be controlled through smart building management systems.

In November 2010, Sage announced a partnership with Saint-Gobain, one of the world's largest glass and construction material manufacturers.

Lux Research is offering a complimentary webinar on the topic, scheduled for August 16 at 11:00 a.m. EDT or August 17 at 3:00 p.m. CEST.

Website: www.luxresearchinc.com

Original Article on SustainableBusiness.com

Source: http://www.solarfeeds.com/sustainable-businesscom/17817-smart-windows-strong-growth-ahead

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America?s Oldest Net Zero Home

Located in Ann Arbor?s Old West Side Historic District, Matt and Kelly Grocoff?s home is America?s oldest and Michigan?s first net-zero energy home, that is, it annually produces more energy than the residents consume.  Matt Grocoff, Esq. LEED, is host of Greenovation.TV, contributor to the Environment Report on public radio and is the green renovation expert for Old House Web. He is a net-zero energy consultant and one of the most respected advocates and authorities on green renovations for existing homes. Grocoff has a Mission Zero goal to eliminate the negative environmental impact of every home in America.

The home was honored by USA Today as one of its seven ?Best Green Homes of 2010? and The Atlantic called it ?Sustainable Perfection.?

When the Grocoffs bought the 3-bedroom, 2-bath, 110-year-old Folk-Victorian home, it featured drafty old windows, zero insulation and a half-century-old furnace. After remodeling the interior and replacing the windows, Grocoff had long-time Michigan installer Mechanical Energy Systems (MES) install an 8.1kW solar energy system.

As the house has only 550 sq. ft. of roof space (fortunately with a perfect roof angle for a solar array), maximizing space for the array was very important. Grocoff chose SunPower 225 Signature Black panels and Enphase M210 microinverters to gain the most energy harvest from his solar system.

Grocoff has this to say about using Enphase: ?Enphase provides the greatest output with my constrained roof space and a sometimes gray Michigan climate. I use Enlighten to closely monitor and manage my solar power generation to make sure I?m getting full performance. Enlighten monitoring also is essential for allowing anyone to view our system and prove that net zero is possible in a home of any age.?

Daren Griffith, sales manager and solar designer for MES, comments, ?Even with up to six inches of snow, the microinverters can pull five to 25 watts with adequate sun. That can generate enough heat to melt the snow ? a profound difference versus a single-inverter configuration?s performance.? Griffith also said that he?s seen 25 to 35 percent higher production than expected thanks to the Enphase solution, which he also credits for helping the solar panels reach their rated capacity of 207.1 watts even on some winter days.

See the live energy output of America?s oldest net-zero home from Enlighten.

Original Article on Enphase Energy Blog

Source: http://www.solarfeeds.com/enphase-energy-blog/17810-americas-oldest-net-zero-home

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