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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 so-called Birkeland ...

dateOct 06, 2014 in Earth Sciences
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Wind energy cuts the electricity bill

The promoting of renewable energy is at the heart of the current debate on energy policy. From an economic perspective, the question focusses on determining the cost of the feed-in tariff systems. Firstly, whether the incentives ...

dateSep 03, 2014 in Energy & Green Tech
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