16/04/2013

US Internet ad revenue grows 15 percent in 2012

U.S. Internet advertising revenue grew 15 percent to a record $36.6 billion in 2012, with mobile ad revenue growing faster than other types, according to a new report Tuesday.

Wind mission encounters 'SLAMS' waves

(Phys.org) —As Earth moves around the sun, it travels surrounded by a giant bubble created by its own magnetic fields, called the magnetosphere. As the magnetosphere plows through space, it sets up a standing bow wave or ...

Research uses mirrors to make solar energy cost competitive

If the current national challenge to make solar energy cost competitive with other forms of energy by the end of this decade is met, Ranga Pitchumani, the John R. Jones III Professor of Mechanical Engineering at Virginia ...

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