Metal-Air Battery Could Store 11 Times More Energy than...
A spinoff company from Arizona State University plans to build a new battery with an energy density 11 times greater than that of lithium-ion batteries for just one-third the cost.
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Underwater Kite Harnesses Ocean Energy : CleanTechnica
It does not appear to have a wide application given the necessary conditions for effective operation. The cost of this alternative energy is not cheap and bear in mind that these are only preliminary estimates, which are most likely optimistic.
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The New NIMBY-Defeating Wind Turbine : CleanTechnica
23 reviews • cleantechnica.com
From the page: "Ridgeblade is a fabulous wind-turbine solution from UK based The Power Collective. Itâ€s very simple: instead of a large standalone windmill-like structure, put a long bladed turbine along the ridge of a buildingâ€s roof."
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BBC NEWS | Technology | Magnetic electricity discovered
From the page: Researchers have discovered a magnetic equivalent to electricity: single magnetic charges that can behave and interact like electrical ones. The work is the first to make use of the magnetic monopoles that exist in special crystals known as spin ice.
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BBC NEWS | Technology | Tiny nuclear batteries unveiled
From the page: "Researchers have demonstrated a penny-sized "nuclear battery" that produces energy from the decay of radioisotopes."
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BBC NEWS | Technology | Energy-from-waste powers US army
Pyrolysis is thermal destruction of waste in the absence of oxygen and is typically operated in the 650oC to 750oC temperature range. An initial energy input is required to start the exothermic reaction, which then is self-sustaining and raises the system temperature to a... more
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GreenSun Develops Colorful Solar Panels that don't...
13 reviews • cleantechnica.com
"Officials say the hues capture different parts of sun's spectrum, and don't need direct sunlight to work, according to National Geographic News. The secret is the edges, The Economist explains. GreenSun does this this by... more
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Chilled Water Cools MIT Physics Department : CleanTechnica
12 reviews • cleantechnica.com
Here's a very good example of simple tech that works efficiently. Because hot air rises, cool air falls down. So if chilled water is carried through tubes at the ceiling, it sucks hot air from a room; sending down the cooler air. Simple tech is often low carbon technology... more
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Sun shades cool parking lots, pump out solar energy -...
...this is a fantastic idea....... Select_G6U0135._600 widejpg.jpg Add up all the asphalt parking lots surrounding the nation's malls, offices and commuter hubs, and there's more than enough blacktop to pave over Connecticut. Envision Solar International... more
