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Interesting Technology Updates -Click on a title below

  • - A radical idea to get a high-renewable electric grid

    This is an interesting approach to optaining very high penetration of renewables such as photovoltaics and wind.  At present most large installations operate under Power Purchase Agreements (PPA) wherein the economics are based on a sell all output at predetermined prices. This contrasts with standalone systems wherein the system size Read More
  • - Breakthrough Batteries Powering the Era of Clean Electrification

    - Breakthrough Batteries Powering the Era of Clean Electrification Battery Storage Costs Drop Dramatically, Making Way to a New Era. A recent Rocky Mountain Institute (RMI) report continues to confirm that clean electrification through batteries is advancing at impressive rates. Very interesting report: Breakthrough Batteries- Powering the Era of Clean Electrification Read More
  • - Interesting Technology

    An assortment of links to interesting information   Semiconductor Nanowires Could Double the Efficiency of Silicon Solar Cells A p/n semiconductor junction is not the only way of converting sunshine into useful electrical energy.  Light consists of a flow of photons of various energy levels (colors).  See this article-Solar Cells.  Nanowires Read More
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Interesting Videos

Courtesy, Barbara Kerr

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Two Arizona women have devoted 30 years to developing and promoting low tech and inexpensive solar cookers.  Their designs are now spread across the globe.

In the early 1970s, Barbara Kerr and Sherry Cole developed an inexpensive family-sized cardboard box cooker - the EcoCooker.  Then in 1993, based on original work done in France by Dr. Roger Bernard, Kerr and Cole did the initial work on a collapsible panel cooker.  Their solar panel cooker (original BackPacker) is still used in that form today but was also a precursor the the CooKit - a redisign by Solar Cookers International and volunteer engineers.  The CooKit has been successfully introduced in refugee camps by SCI projects.

Their work was based on the discovery that foods could be roasted, baked, stewed and simmered in inexpensive cardboard solar ovens with no danger of setting the box afire and that the low temperatures achieved by their simple designs cooked very well.  This greatly reduced the expense and the labor of fabricating as compared with wood or metal.  Anyone could inexpensively and usually successfully experiment in their own home workshop.  As solar cooking was liberated from the more demanding materials, it stimulated a wave of interest in solar cooking.  Over the years interest has grown in solar cooking, and many people have made successful and improved versions of these fruitful beginnings.

Solar Cookers International is a non-profit, volunteer organization launched in 1987 to support work by Kerr and Cole to help both people and the environment.  First the solar box cookers, and later the solar panel cooker owe their global visibility to this volunteer organization.  People in many parts of the globe have found it feasible to cook on sunny days with sunshine, conserving their scarce fuel wood while continuing to feed their families nutritious, well-cooked meals...

Support solar cooking by joining SOLAR COOKERS INTERNATIONAL, 1919 21st Street, Suite 101, Sacramento, CA  95814.  Also see the Solar Cooking Archives at www.solarcooking.org and the KerrCole Website at www.solarcooking.org/bkerr.

NOTE: Photos obtained from the photo gallery are to be used for lawful purposes only. Any commercial use must receive prior approval from the Arizona Solar Center. Credit shall be given to Photographer along with Arizona Solar Center, and no affiliation with Arizona Solar Center is to be implied.

About

  • Welcome to the Arizona Solar Center

     This is your source for solar and renewable energy information in Arizona. Explore various technologies, including photovoltaics, solar water heating, solar architecture, solar cooking and wind power. Keep up to date on the latest industry news. Follow relevant lectures, expositions and tours. Whether you are a homeowner looking to become more energy efficient, a student learning the science behind the technologies or an industry professional, you will find valuable information here.
  • About The Arizona Solar Center

    About The Arizona Solar Center Arizona Solar Center Mission- The mission of the Arizona Solar Center is to enhance the utilization of renewable energy, educate Arizona's residents on solar technology developments, support commerce and industry in the development of solar and other sustainable technologies and coordinate these efforts throughout the state of Arizona. About the Arizona Solar Center- The Arizona Solar Center (AzSC) provides a broad-based understanding of solar energy, especially as it pertains to Arizona. Registered Read More
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