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Power

Hydrogen-Powered cars with Zero-Carbon-Emission? 203

Roland Piquepaille writes "Researchers from the Georgia Institute of Technology have a bright idea — at least at first sight. They want to create a sustainable transportation system by using hydrogen-powered cars. They would like to create an infrastructure where people could use a liquid fuel for driving while the carbon emission in their vehicles is trapped for later processing at a fueling station. 'The carbon would then be shuttled back to a processing plant where it could be transformed into liquid fuel.' Where will all this liquid carbon be stored? The researchers don't know. They suggest that it could be stored in geological formations or under the oceans."
Robotics

Robotic Scout To Survey Arctic Ice 58

Roland Piquepaille writes "The Meridian unmanned aerial vehicle (UAV) is a single-engine research aircraft with fixed landing gear designed by engineers at the University of Kansas. According to Technology Review, it will be used to see what happens beneath the Antarctic and Greenland ice sheets. Two units are currently being built for a cost of about 3 million US dollars. The Meridian will fly for up to 13 hours over a distance of 1,750 kilometers. The first flight over Greenland is forecast for next summer, and a second flight will take place over the Antarctic later in 2008."

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