News tagged with energy

The bottom line on sustainability

Climate change, pollution, dwindling natural resources, diminishing fresh water supplies… the list of problems we face as a species in the twenty-first century continues to grow. Many of the environmental problems are sadly ...

Sep 25, 2014
3.2 / 5 (9) 82

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
4.2 / 5 (6) 1