Fuel cells: distant dream, but burning with promise

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Schematic and electron microphoto of a polymeer membrane filled with plate shaped nanoparticles about one nanometer thick. Nanoparticles of various shapes cause the other atoms of the polymer to rearrange controlling what can pass through the membran ...
Schematic and electron microphoto of a polymeer membrane filled with plate shaped nanoparticles about one nanometer thick. Nanoparticles of various shapes cause the other atoms of the polymer to rearrange, controlling what can pass through the membrane. Emmanuel Giannelis

Some day, fuel cells may power your car and exhaust only water and perhaps carbon dioxide. More efficient and cleaner than an internal combustion engine, their emissions will be much lower. They may also run your home without the energy loss of power lines, or even power your laptop or cell phone. But not today or even tomorrow.


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All News summaries for May 15, 2008

Study explores plausibility of bulbs and tubers in the diet of early human ancestors

11 hours ago | User rating: not rated yet
(PhysOrg.com) -- It was a dirty job, but somebody had to do it. Anthropologist Nathaniel J. Dominy of the University of California, Santa Cruz, has advanced the investigation of the diet of early human ancestors ...

Wealth Does Not Dictate Concern for the Environment

12 hours ago | User rating: not rated yet
It has been a long-held assumption that poor nations will not support efforts to protect the environment since their citizens are too preoccupied with meeting basic needs, such as food and housing. However, a new study in ...

Construction workers unearth mammoth bones in Minsk

12 hours ago | User rating: not rated yet
Workers building a business centre in Minsk came across the bones of two mammoths thought to be between 25,000 and 45,000 years old, an official from Belarus' Academy of Sciences told AFP on Friday.

Women's access to credit affects efficiency in rural households

Jul 25, 2008 | User rating: not rated yet
Rural strategies designed to induce economic growth often emphasize the need to improve access to capital for poor households. However, this approach implicitly assumes that family members pool all their resources and allocate ...

Colonial heritage metaphors used in US military conflicts

Jul 25, 2008 | User rating: not rated yet
The historical reference to "Indian Country" presents a complex metaphor. For many Native Americans it signifies home, family, and territory; however, for others the term can refer to colonialism and Native American land ...
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