(Phys.org) —A truss design devised to help workers process space shuttles continues to find new uses as a space shuttle engineer-turned-entrepreneur adapts it to everything from a solar-powered electric generator to a mobile ...
Space Exploration
May 15, 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)—Japanese company Ibasei has unveiled a new idea in hydroelectricity generation; a turbine that can be placed in virtually any fast moving stream or river to generate small amounts of electricity for immediate ...
(Phys.org)—General Electric has unveiled its new line of highly efficient natural gas burning turbines for use in generating electricity. The new turbines are able to rapidly increase or reduce their power output to meet ...
Europe accounted for two thirds of the world-wide newly installed photovoltaic (PV) capacity in 2011, with 18.5 GW. Its overall PV capacity totalled 52 GW. The yearly electricity produced by PV could power a country with ...
Energy & Green Tech
Sep 24, 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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(Phys.org)—Most Americans don't have to think much about energy reliability. We plug in a computer and it powers up; we flip a switch and the lights come on.
Energy & Green Tech
Aug 27, 2012
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(Phys.org) -- Renewable energy technologies generally consist of two distinct processes: energy generation (using sources such as coal, solar, wind, etc.) and energy storage (such as batteries). These two processes are always ...
Alternative energy sources that are cost-competitive with fossil fuels may be closer than most people realize. Recent renewable energy research has shown that solar, hydropower, wind and other alternative sources are closing ...
Energy & Green Tech
Aug 1, 2012
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Power from renewable energy sources is getting cheaper every year, according to a study released Wednesday, challenging long-standing myths that clean energy technology is too expensive to adopt.
Energy & Green Tech
Jun 6, 2012
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