The electric sail (ESAIL), invented by Dr. Pekka Janhunen at the Finnish Kumpula Space Centre in 2006, produces propulsion power for a spacecraft by utilizing the solar wind. The sail features electrically charged long and ...
Space Exploration
Jan 8, 2013
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German Environment Minister Peter Altmaier said Friday his country would never again return to nuclear energy, hitting back at a top EU official who doubted Berlin's commitment to phase out nuclear power.
Energy & Green Tech
Jan 4, 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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Energy production must shift from fossil fuels to renewable sources within four decades to avoid the most damaging consequences of climate change, a government report has found.
Energy & Green Tech
Nov 26, 2012
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Google is investing $75 million in an Iowa wind farm as part of its effort to encourage development of cleaner energy sources.
Energy & Green Tech
Nov 15, 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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A proposed wind farm in southern Wyoming soon may become the largest of its kind anywhere in North America, according to U.S. Interior Secretary Ken Salazar, who authorized the project Oct. 9 during a visit to Cheyenne, Wyo.
Energy & Green Tech
Oct 22, 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)—A new analysis by Stanford researchers reveals that there is enough offshore wind along the U.S. East Coast to meet the electricity demands of at least one-third of the country.
Energy & Green Tech
Sep 17, 2012
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(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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