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NSA: No better way to protect US than surveillance

The NSA chief said Wednesday he knows of no better way his agency can help protect the U.S. from foreign threats than with spy programs that collect billions of phone and Internet records from around the ...

Dec 11, 2013
3.7 / 5 (3) 9

Waste that is brimming with energy

Together with the Italian GARBO corporation, the University of Greenwich, United Kingdom, and the University of Padua, Italy, as well as the midsized company EAAT from Chemnitz, Germany, the HZDR researchers ...

Nov 21, 2013
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Optical materials: Solar cells step up

The Sun is our most promising source of clean and renewable energy. The energy that reaches the Earth from the Sun in an hour is almost equivalent to that consumed by humans over a year. Solar cells can tap ...

Nov 20, 2013
3.3 / 5 (3) 0