Giant turbines churning in the wind are a rare sight in Africa—but that will not be the case for long. Until now the meagre amounts of investment in African wind energy have predominantly come from governments and foreign ...
Energy & Green Tech
May 26, 2013
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(Phys.org) —A carbon price of between $50 and $100 per tonne of carbon dioxide would make coal-fired and gas-fired power less economical than renewable electricity, a UNSW study shows.
Energy & Green Tech
Apr 3, 2013
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(Phys.org) —Americans take electrical power for granted whenever they flip on a light switch. But the growing use of solar and wind power in the United States makes the on-demand delivery of electricity more challenging.
Energy & Green Tech
Mar 7, 2013
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(Phys.org)—New research from a global group of scientists and engineers, including from the University of Southampton, has been published in a special issue journal of the Royal Society. The work is in support of tidal ...
Energy & Green Tech
Jan 17, 2013
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(Phys.org)—Renewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware ...
Energy & Green Tech
Dec 10, 2012
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(Phys.org)—Americans used less energy in 2011 than in the previous year due mainly to a shift to higher-efficiency energy technologies in the transportation and residential sectors. Meanwhile, less coal was used but more ...
Energy & Green Tech
Oct 24, 2012
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(Phys.org)—Fans call it the first "electric super car" for a reason. The UK-built on Thursday smashed the UK electric car land-speed record, topping 151 mph. The Nemesis was at an airfield near York, completing two runs ...
(Phys.org)—Renewable energies such as wind, sun and biogas are set to become increasingly important in generating electricity. If increasing numbers of wind turbines and photovoltaic systems feed electrical energy into ...
General Physics
Sep 14, 2012
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Whether a material conducts electricity without losses is not least a question of the right temperature. In future it may be possible to make a more reliable prediction for high-temperature superconductors. These materials ...
Superconductivity
Aug 17, 2012
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In a study that could solidify the trend toward construction of gigantic windmills, scientists have concluded that the larger the wind turbine, the greener the electricity it produces. Their report appears in ACS' journal ...
Energy & Green Tech
Jun 20, 2012
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