News and commentary about ecodesign, geothermal heatstorage, PAH seasonal storage, urban farming, rainwater harvesting, grey water recycling, natural ventilation, passive summer cooling, energy autonomy, off grid solar comfort, as well as refined prototypes i am currently building.
Wednesday, November 21, 2012
Rice University Scientists Create 'Solar Steam' - Solar Feeds
high efficiency waterheating with simple tech, using nanoparticles dissolved in water exposed to the sun, real simple, can be in a pond inside the sunspace!
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