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Clean, carbon-neutral hydrogen on the horizon
11-12-2007 · EurekAlert!Hydrogen as an everyday, environmentally-friendly fuel source may be closer than we think, according to Penn State researchers.
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Keywords: clean, carbon-neutral, hydrogen, horizon, carbon, neutral
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- Building blocks of life formed on Mars
12-11-2007 · EurekAlert!
Organic compounds contain carbon and hydrogen and form the building blocks of all life on Earth. By analyzing organic material and minerals in the Martian meteorite Allan Hills 84001, scientists at the Carnegie Institution's Geophysical Laboratory have shown for the first time that building blocks of life formed on Mars early in its history. Scientists have thought that organics in ALH 84001 was brought to Mars by meteorite impacts or originated from ancient Martian microbes.
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- Learning how nature splits water
11-03-2006 · EurekAlert!
An international team led by scientists from the US Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) pieced together high-resolution (approximately 0.15 Еngstrom) structures of a Mn4Ca cluster found in a photosynthetic protein complex. Their work could help researchers synthesize molecules that mimic this catalyst, which is a central focus in the push to develop clean energy technologies that rely on sunlight to split water and form hydrogen to feed fuel cells or other non-polluting power sources.
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- New Developments in "Artificial Photosynthesis"
03-27-2007 · Brookhaven National Laboratory
Scientists at Brookhaven are trying to design catalysts inspired by photosynthesis, the natural process by which green plants convert sunlight, water, and carbon dioxide into oxygen and carbohydrates. The goal is to design a bio-inspired system that can produce fuels like methanol, methane, and hydrogen directly from water and carbon dioxide using renewable solar energy.
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- UCR chemists identify organic molecules that mimic metals
04-19-2007 · EurekAlert!
Chemists at UC Riverside report that a class of carbenes -- molecules that have unusual, highly reactive carbon atoms -- can mimic, to some extent, the behavior of metals. The organic molecules could be used to develop carbon-based systems for storing hydrogen, and transform ammonia into amino compounds used to make pharmaceuticals and bulk industrial materials.
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- New developments in 'artificial photosynthesis'
03-27-2007 · EurekAlert!
Scientists at Brookhaven National Laboratory are trying to design catalysts inspired by photosynthesis, the process by which green plants convert sunlight, water, and carbon dioxide into oxygen and carbohydrates. The goal is to design a system that can produce methanol, methane, and hydrogen directly from water and carbon dioxide using renewable solar energy. Four Brookhaven chemists will discuss their research on this "artificial photosynthesis" at the 233rd National Meeting of the American Chemical Society.
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- Engineered eggshells to help make hydrogen fuel
09-26-2007 · EurekAlert!
Engineers at Ohio State University have found a way to turn discarded chicken eggshells into an alternative energy resource. The patented process uses eggshells to soak up carbon dioxide from a reaction that produces hydrogen fuel. It also includes a unique method for peeling the collagen-containing membrane from the inside of the shells, so that the collagen can be used commercially.
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- MIT's solar panels ready to power up
12-12-2007 · Massachusetts Institute of Technology (MIT)
MIT's biggest array of solar panels is expected to go into service this month, producing an estimated 50,000 kWhs annually in clean energy -- equivalent to removing 65,000 pounds of carbon dioxide from the atmosphere.
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- Scientists propose test of string theory based on neutral hydrogen absorption
01-28-2008 · EurekAlert!
Ancient light absorbed by neutral hydrogen atoms could be used to test certain predictions of string theory, say cosmologists at the University of Illinois. Making the measurements, however, would require a gigantic array of radio telescopes to be built on Earth, in space or on the moon.
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- April 2007 Story Tips
04-24-2007 · Oak Ridge National Laboratory (ORNL)
Story ideas from the Department of Energy's Oak Ridge National Laboratory. The latest tips include: "CLIMATE -- Thirstier trees on horizon . . . ," "ENERGY -- Adaptable energy . . . ," "DIESEL -- Clean savings . . . "
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- Researchers examine carbon capture and storage to combat global warming
06-11-2007 · EurekAlert!
While solar power and hybrid cars have become popular symbols of green technology, Stanford researchers are exploring another path for cutting emissions of carbon dioxide, the leading greenhouse gas that causes global warming.Carbon capture and storage, also called carbon sequestration, traps carbon dioxide after it is produced and injects it underground. The gas never enters the atmosphere. The practice could transform heavy carbon spewers, such as coal power plants, into relatively clean machines with regard to global warming.
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