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Observing the Birkeland currents

When the supersonic solar wind hits the Earth's magnetic field, a powerful electrical connection occurs with Earth's field, generating millions of amperes of current that drive the dazzling auroras. These ...

Oct 06, 2014
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How ancient impacts made mining practical

About 1.85 billion years ago, in what would come to be known as Sudbury Canada, a 10 kilometer wide asteroid struck with such energy that it created an impact crater 250 kilometers wide. Today the chief industry of Sudbury ...

Sep 23, 2014
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Boosting the recovery of rare earth elements

VTT Technical Research Centre of Finland and the Ural Federal University will start a joint research project for boosting the recovery of rare earth elements. The exceptional magnetic and optical properties of earth metals ...

Oct 08, 2014
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Learning at 10 degrees north

Secluded beaches, calypso music and the entertaining carnival are often what come to mind when thinking of the islands of Trinidad and Tobago. But Dal Earth Sciences students might first consider Trinidad's ...

Oct 01, 2014
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