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Hobbitblog V2.05
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This just in... Farming with seawater for food, fuel and fodder... and solar powered windows? More Efficient Solar Energy Collectors Attach to Windows Andrea Thompson Senior Writer LiveScience. com Thu Jul 10, 2:11 PM ET A new, compact way to collect sunlight from windows and focus it to generate more electricity could make those multiple expensive rooftop solar panels a thing of the past. The solar panels that cover the tops of some buildings today contain photovoltaic cells that convert sunlight into electricity. Unlike burning coal, collecting and converting solar energy releases no greenhouse gases, which warm the atmosphere. Limited efficiency and high construction costs have kept solar from producing more than about 0.07 percent of U.S. energy needs in 2007, according to figures from the U.S. Department of Energy. Solar concentrators can be used to increase the electrical power obtained from the photovoltaic cells. But most concentrators in use today "track the sun to generate high optical intensities, often by using large mobile mirrors that are expensive to deploy and maintain," said MIT's Marc A. Baldo, who led the team that created the new type of solar concentrator. New approach Instead of covering a large area with solar cells, the new method only requires locating cells around the edges of a flat glass panel. The MIT solar concentrator involves a mixture of two or more dyes painted onto a pane of glass or plastic. The dyes absorb light across a range of wavelengths, reemit it at a different wavelength and transport it across the pane to the solar cells at the edges. "Light is collected over a large area [like a window] and gathered, or concentrated, at the edges," Baldo said. Focusing the light like this increases the electrical power generated by each solar cell "by a factor of 40," he added. The work was funded by the National Science Foundation and the U.S. Department of Energy's Office of Science. Old idea Scientists had tried using similar solar concentrators in the 1970s, but abandoned the idea when not enough of the collected light reached the edges of the concentrator. The MIT engineers revamped the idea by using a mixture of dyes in specific ratios, which allows some level of control over how the light is transmitted. "We made it so the light can travel a much longer distance," said study team member Jon Mapel, an MIT graduate student. "We were able to substantially reduce light transport losses, resulting in a tenfold increase in the amount of power converted by the solar cells." Because the system, detailed in the July 11 issue of the journal Science, is simple to manufacture, the team thinks that it can be implemented within three years. It could also be added on to existing solar-panel systems, increasing their efficiency and reducing the cost of solar energy. Click here: Daily Source Code 775 Your system may ask permission to download etc... it's perfectly safe and free to play this, yes, yes, yes if you have to. The point is, play it and listen to it. Some entertainment that you can subscribe to listen to a few times a week.... Best played when you are busy doing something mundane like sewing on a button or watching paint dry... I've been assimilated... I'm now a hybrid geek... WindozeXP VM'd on a Mac Book Pro 17" high def c/w Time Capsule, ReadyNAS, gigabit LAN, iPhone and Kindle. Read all about in the Hobbit HouseLemonade Stands... StrawJet brings in the Sheaves... Some pix of the shop after bringing in this years rice straw harvest for drying. ![]()
Just back from looking at land in Selma Oregon. Kim of www.indiandogs.com is hoping we can buy back the land he sold that adjoins his. Problem is that he can't afford it, but would sure like some neighbours that hide there - he would rather have some true blue adventurous pioneers on the land to help him bring his valley to the productive living community he can only hope for now. Even the worst day of the year couldn't take away from the magic of bottom land just south of Grants Pass and emptying into the Illinois River just east where John Wayne found his farm. It's eighty acres virtually all cleared, and ready for grape plantings. With a gorgeous little home up on a knoll, it has 160 degree exposures to the sun in all directions, unlimited ground water, some woodlands, and a neighbor, Kim, with 45 acres in productive grape and more planted, two homesteads and lots of heavy metal for all your farming and development needs. A perfect home for TheTwelve and the Transcendentnation to set up shop for the next millennium coming in 2012. Still peeling the onion. It's from this quote: "If you aren't linking things now, you are probably about exploding things now..." JC as in: 'if X [is happening etc.] now then X [is happening etc.] now...' eventually a site of ifXerz and thenXerz sharing. The ifXerz ask the questions, thenXerz answer the questions. A thought - All clan zone traffic is dynamically quantified so that every member is constantly being rewarded for communication density they are responsible for. Quick response trumps volume. Reciprocal response trumps cold entries. You need an algorithm to feed tracking data to the user's benefit. Attentiontrust.org can set you up with one you control. I've known these guys since the print era. In other words, millions paid billions over the years to get these guys' content. They live on the secret, the obsurd, the no-brainer, the 'plain to sea' truth kind of guys. Other than that, type why don't you? thumbed out or cerebrally challenged? say something, anything. BTW. My brain shuts off when there's a microwave tower stuffed in my ear. Keyboard's my saddle. My cell conversation is anything but amicable. Still seeing some passé one-liners scattered about your sites. I hate old shit. It reflects negatively on the messenger's nowness. Case in point: 'This is Lion pride, looking for new talent, conscious sons and daughters of Zion." Stumbled on that one here Zionism has been stolen by the Born Again Christians, the BACk to the Future folks who bring you the 'BombingForJesus' friendship club.
Labels: thetwelve Here's a link to recent podcast I was talking about. This from your best 'close to the bone...' bro. Sorry, no pix yet... too lazy at this point in time. "If you aren't linking things now, you are probably about exploding things now..." JC Check out ifxnowthenxnow.net for more, the place for what if's become what is. Labels: musings I've been patented again.. Turns out that HobbitTech is a company and domain name. Oh well. I've changed my WMP playlist from HobbitTech to HobbitzTech... Hopefully the Google Gods will take pity and continue to link to me at the new keyword from this old link at Podshow.com. Between the Podshow jocks and the Google guru's I'd think that they'd drop the old and refresh with a new trackback... Finally ! I've been spidered... As you know, I prefer conversing via my PlainToSea forum. It's the best place for information about the SHCS for Solar heated greenhouses. Well it's more so now. This past month Google has been indexing the Sunnyjohn.com writer's private forum. It's an old, un-updated phpbb site, so theoretically it can't be indexed. But the Google Gods have spoken - my PlainToSea forum is being indexed. I guess all the fabulous content there has finally spilled out into the cloud. GGod Bless! Hey, not enough for ya? Check out the Archives
Half the links are buggered, but the content is intact (cake, no icing) And you can check out an archive listing of my Treks and Software Checked Out here |