There is no free fuel. Whether you drill for and refine oil, or manufacture and maintain a panel to collect solar energy and convert it into electricity, it takes energy to make energy. In Spain's Photovoltaic Revolution: ...
Energy & Green Tech
Mar 4, 2013
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An international team of researchers has found a new method of producing molecular magnets. Their thin layer systems made of cobalt and an organic material could pave the way for more powerful storage media as well as faster ...
General Physics
Jan 23, 2013
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(Phys.org)—Scaling up the production of biofuels made from algae to meet at least 5 percent – about 10 billion gallons – of U.S. transportation fuel needs would place unsustainable demands on energy, water and nutrients, ...
Energy & Green Tech
Nov 2, 2012
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Researchers have discovered in fruit flies a key metabolic hormone thought to be the exclusive property of vertebrates. The hormone, leptin, is a nutrient sensor, regulating energy intake and output and ultimately controlling ...
Cell & Microbiology
Sep 27, 2012
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A new instrument to detect whales, dolphins and other marine mammals, and provide immediate alerts during the development of offshore wind, wave and tidal installations, will be showcased to an international audience at the ...
Ecology
Sep 25, 2012
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(Phys.org)—An airplane's vortex generators, which look like small fins on its surface, improve the plane's aerodynamics similar to the way in which the dimples on a golf ball improve the ball's aerodynamics: by delaying ...
Fujitsu Laboratories today announced the development of a power supply unit for servers that features a 2.3 kW power output and achieves a world-leading conversion efficiency rate of 98.4%.
Hardware
Apr 5, 2012
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Eighty percent of nuclear power plants are more than 20 years old, raising safety concerns, the UN atomic agency warned in a draft report seen by AFP on Tuesday, a year after Japan's Fukushima disaster.
Energy & Green Tech
Mar 13, 2012
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Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Evolution
Dec 19, 2011
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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 ...
Plants & Animals
Dec 16, 2011
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