Whale cams track swimming efficiency of ocean giants

The relatively squat and gangly humpback whale moves more efficiently through the water than its sleeker, larger cousin, the blue whale, according to new research that used devices attached to the animals to collect information ...

Strong microwave magnetic fields for more efficient plasmas

Hot gases composed of metal ions and electrons, called plasmas, are widely used in many manufacturing processes, chemical synthesis, and metal extraction from ores and welding. A collaborative research group from Tohoku University ...

Lasers are making solar cells competitive

At "Laser 2009" in Munich, Germany, June 15 to 18, Fraunhofer researchers will be demonstrating how laser technology can contribute to optimizing the manufacturing costs and efficiency of solar cells.

Winter diets? The secret is to chill the extremities

It is well known that large mammals living in temperate climates lower their metabolism in winter. But does this represent a mechanism for coping with less food or is it merely a consequence of having less to eat? For the ...

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