News tagged with water sources

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Trapped sunlight cleans water

High energy costs are one drawback of making clean water from waste effluents. According to an article in the journal Biomicrofluidics, which is published by the American Institute of Physics, a new system that combines two di ...

Jan 11, 2011 4 / 5 (1) 1

Drinking water from air humidity

Cracks permeate the dried-out desert ground, the landscape bears testimony to the lack of water. But even here, where there are no lakes, rivers or groundwater, considerable quantities of water are stored ...

Jun 05, 2009 4.9 / 5 (17) 12

A water splitter with a double role

(PhysOrg.com) -- There is a lot of hope invested in hydrogen, but it also presents some problems. It is energy-rich, clean and, as a constituent of water, of almost unlimited availability. However, so far ...

Mar 09, 2009 4.5 / 5 (12) 3

Turning the tide to energy

NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...

Mar 06, 2009 3.4 / 5 (24) 6