27/04/2012

Virtual power plants for renewable energies

Siemens recently put two virtual power plants into operation. Virtual power plants are networks of several small power stations that are run like a single system. One of the new virtual power plants enables the Munich municipal ...

UK company to build Sun orbiter

The European Space Agency said on Friday it had awarded a 300-million-euro ($400 million) contract to a British technology firm to build a satellite to examine the Sun from closer up than any before it.

Solution to ancient rock puzzle posited

A superplume, or massive episode of volcanic eruptions that related to extensive melting of the Earth's mantle, could explain the puzzling reappearance of major iron formations long after the rise in atmospheric oxygen about ...

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