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Energy Net

Solar Power Home Now - 0 views

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    As traditional energy sources become increasingly rare and expensive, many homeowners are turning to the skies and learning how to harness energy from the sun. Solar cell technology has been around since the 1950s, but technology has improved considerably and at current levels of efficiency it is worth taking the time and effort to consider a Solar Power Home Now Solar cells are also called photovoltaics, or PV, by the boffins. In basic terms, they are made of semi conducing materials, which, when exposed to the sun go through a distinct process. The solar energy separates the electrons from the atoms within the material and the movement of the electrons creates power, or electricity. Thus light (photons) is converted into electricity (voltage).
Energy Net

Nanosolar's Breakthrough - Solar Now Cheaper than Coal | celsias° - 0 views

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    Their mission: to deliver cost-efficient solar electricity. The Nanosolar company was founded in 2002 and is working to build the world's largest solar cell factory in California and the world's largest panel-assembly factory in Germany. They have successfully created a solar coating that is the most cost-efficient solar energy source ever. Their PowerSheet cells contrast the current solar technology systems by reducing the cost of production from $3 a watt to a mere 30 cents per watt.
Energy Net

ENN: MIT develops way to bank solar energy at home - 0 views

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    CAMBRIDGE, Massachusetts (Reuters) - A U.S. scientist has developed a new way of powering fuel cells that could make it practical for home owners to store solar energy and produce electricity to run lights and appliances at night. A new catalyst produces the oxygen and hydrogen that fuel cells use to generate electricity, while using far less energy than current methods.
Energy Net

Looking at Hydrogen to Replace Gasoline in Our Cars: Scientific American - 0 views

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    The jury is still out on whether hydrogen will ultimately be our environmental savior, replacing the fossil fuels responsible for global warming and various nagging forms of pollution. Two main hurdles stand in the way of mass production and widespread consumer adoption of hydrogen "fuel cell" vehicles: the still high cost of producing fuel cells, and the lack of a hydrogen refueling network.
Energy Net

Solar panel industry achieves Holy Grail - $1 per watt grid-parity - 0 views

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    March 3, 2009 Arizona based First Solar has achieved a major milestone in reducing the manufacturing cost for solar panels below the $1 per watt price barrier - the target necessary for solar to compete with coal-burning electricity on the grid or grid-parity. Using cadmium telluride (CdTe) technology in its thin-film photovoltaic cells, First Solar claims to have the lowest manufacturing cost per watt in the industry with the ability to make solar cells at 98 cents per watt, one third of the price of comparable standard silicon panels. The efficiency is in part due to a low cycle time - 2.5 hours from sheet of glass to solar module - about a tenth of the time it takes for silicon equivalents.
eco20-20

Photovoltaic (PV) Fabrication & Testing Technician - 0 views

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    Photovoltaic cells are better known by their media name "Solar Cells".
Energy Net

Roll-Up Solar Panels - 0 views

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    Technology Review has an article on thin film solar vendor Xunlight's approach - making cells on flexible steel sheets - Roll-Up Solar Panels. Xunlight, a startup in Toledo, Ohio, has developed a way to make large, flexible solar panels. It has developed a roll-to-roll manufacturing technique that forms thin-film amorphous silicon solar cells on thin sheets of stainless steel. Each solar module is about one meter wide and five and a half meters long. As opposed to conventional silicon solar panels, which are bulky and rigid, these lightweight, flexible sheets could easily be integrated into roofs and building facades or on vehicles. Such systems could be more attractive than conventional solar panels and be incorporated more easily into irregular roof designs. They could also be rolled up and carried in a backpack, says the company's cofounder and president, Xunming Deng. "You could take it with you and charge your laptop battery," he says.
eco20-20

Green Plug Introduces: A Universal Charger: Eco20/20 - 0 views

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    All of the cell phones sold about three years from now will have a universal charger to the benefit of cell phone producers, owners, and the environment.
eco20-20

MK Battery- 8G24 12V, 73 AH (20HR) Sealed Gel Cell Dual Terminal: Alternative Energy: E... - 0 views

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    The 8G24 12V, 73 AH (20HR) Sealed Gel Cell Dual Terminal battery from MK batteries is a nice battery which can be used for many purposes. It is a gel battery and hence offers many unique benefits.
xblue123

vanessa bruno cuir pas cher Les Presses - 0 views

Après la guerre, la mémoire du génocide a occulté celle de la spoliation et des pillages. Comment mettre en avant la perte des biens matériels lorsqu'on a perdu des membres de sa famille?? Et pourq...

started by xblue123 on 04 Nov 14 no follow-up yet
xcandy002

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Après le traumatisme de l'assassinat du roi et les premières révoltes des Grands, la convocation des états généraux constitue le temps d'une importante publicisation politique, dramatisée par le co...

started by xcandy002 on 03 Nov 14 no follow-up yet
xshirely445589

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Actes du 126e congrès national des Sociétés historiques et scientifiques (Toulouse, 9-14 avril 2001), Paris, cths, 2004, 412 p., 25xA0;€, isbn 273550541336 Cet ouvrage, publié sous la direction de ...

started by xshirely445589 on 06 Nov 14 no follow-up yet
xangle44556

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Deux types d'écrits du quotidien ont été sélectionnés par Bruno Viard 150; qui n'explicite pas les critères adoptés 150; et éditées par Jean Viard, qui rendent ainsi l'un et l'autre hommage à leur ...

started by xangle44556 on 06 Dec 14 no follow-up yet
fiona3322116

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Ce cas reste cependant ambigu, puisque l'une de ces deux relations s'est défaite.52 On peut, par moments, discuter de certaines positions de Geneviève Delaisi de Parseval. En tant que psychanalyste...

started by fiona3322116 on 08 Dec 14 no follow-up yet
xblack147

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Comme chez Alexis, le patient névrotique de J. Bergeret, xA0;il y avait certes les victoires incestueuses remportées sur la représentation possible d'un rival ?dipien. Mais on ne peut méconna?tre l...

started by xblack147 on 10 Jan 15 no follow-up yet
xwhite147

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Il y aurait d'autre part ce qui relève plut?t de l'xA0;homosexuelxA0;, c'est-à-dire de fixations-régressions pathologiques aux homo-érotismes infantiles, qu'il s'agisse de blocages structurels ou d...

started by xwhite147 on 19 Dec 14 no follow-up yet
corner0213

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A M. *** 3Page 7 Les mille et un fantomes Savezvous sur quel titre était basée cette rente inscrite au livre rouge du successeur de Louis XVI .Non.Eh bien , madamede Montesson touchait de l'empereu...

started by corner0213 on 13 Dec 14 no follow-up yet
xblack147

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La dimension prégénitale-narcissique de l'homosexualité agie témoignerait dans tous les cas des défaillances de xA0;l'homosexualité primairexA0; ou xA0;passivexA0; comme point d'ancrage pré-névroti...

started by xblack147 on 19 Dec 14 no follow-up yet
xtiffany1599

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Key to the innovation is a mesh solar panel, which allows air to enter the battery, and a special process for transferring electrons between the solar panel and the battery electrode. Inside the de...

started by xtiffany1599 on 14 Nov 14 no follow-up yet
fnfdoc

Symptoms Of Aplastic Anemia | Your Health Our Priority - 0 views

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    Aplastic Anemia is a rare but serious disease of the blood cells. It is diagnosed by the inability of the bone marrow to synthesize RBCs, WBCs and platelets. The spongy bone marrow contains stem cells that are actively involved in Hematopoiesis.
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