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karawitz architecture: passive house, bessancourt
French firm Karawitz Architecture have developed a passive house in Bessancourt, near Paris, France. The house is closed to the north to limit heat loss and opened to the south benefitting from free solar energy. Aesthetically it is an abstract replica of a traditional house. the second skin of the houses design is untreated bamboo ...
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Outdoor D.I.Y. Ovens
Building a clay oven – the basics A clay oven is any hollow, dome-shaped structure constructed out of clay, clay and sand or clay and straw, used for the purpose of baking and roasting food. It has a brick floor and usually a chimney. read more The 1-hour Brick Oven This is the brick oven ...
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500W Portable Hydroelectric Generator
Portable 500W Hydroelectric Generator.
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Flexible, inexpensive, efficient plastic solar cells
New Solar Cell is 98% Plastic and Catches a Record-Breaking 96% of Incident Light.
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Thermal Performance of Straw Bale Wall Systems
A paper [148.2KB PDF] discussing the analysis of the thermal performance of straw bale wall systems.
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Using Passive Solar Energy to heat your straw bale home.
Passive Solar Energy Passive Solar Energy as a free heat source for your straw bale house. Read the article A rule of thumb for installed window area East side of the house 4%, west side 2%, north side 4%, and south side 7-12%. So if you had a floor plan of 1000 square feet, on ...
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Build-Your-Own Solar Panels
How I built my own solar panels, article via Off-Grid.net Michael Davis Publishing – author of the previous article.