Clean Technica: Power Your House With 5 Liters of Water Per Day
by Greg on Mar.27, 2009, under Science Life
MIT Professor: Power Your House With 5 Liters of Water Per Day
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At the Aspen Environment Forum today, MIT professor Dan Nocera gave a
revolutionary picture of the new energy economy with an assertion that
our homes will be our power plants and our fuel stations, powered by
sunlight and water. And it’s not science fiction.Nocera said that MIT will announce its patent next week of a cheap,
efficient, manufacturable electrolyzer made from cobalt and potassium
phosphate. This technology, powered by a 6 meter by 5 meter
photovoltaic array on the roof, is capable of powering an entire
house’s power needs plus a fuel cell good for 500 km of travel, with
just 5 liters of water.
I am sorry, but i had to post the slick picture from this clean technica article. This is only slightly making me feel better from that Coal story. I am waiting with skeptical held breath for this one.
:MIT, water
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Nasa's Image of the Day
Composite of a Series of Images Taken From Space Aboard the Space Station
This is a composite of a series of images photographed from a mounted camera on the Earth-orbiting International Space Station, from approximately 240 miles above Earth. Expedition 31 Flight Engineer Don Pettit said of the about photographic techniques used to achieve the images: "My star trail images are made by taking a time exposure of about 10 to 15 minutes. However, with modern digital cameras, 30 seconds is about the longest exposure possible, due to electronic detector noise effectively snowing out the image. To achieve the longer exposures I do what many amateur astronomers do. I take multiple 30-second exposures, then ‘stack’ them using imaging software, thus producing the longer exposure." A total of 18 images photographed by the astronaut-monitored stationary camera were combined to create this composite. Image Credit: NASA
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