(PhysOrg.com) -- Everyone is looking for alternative forms of energy, and one company proposes to generate electricity from the flow of the river Mississippi in the US, without using dams to control the water flow.
(Phys.org) -- The faster a wind turbine's blade spins, the more energy you can get from it. And the farther you get from the hub, the faster that part of the blade is traveling. So the tips of the blades generate most of ...
Energy & Green Tech
Jul 3, 2012
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Siemens has produced the world's longest rotor blades for wind turbines. Measuring 75 meters in length, the blades are almost as big as the wingspan of an Airbus A380. Beginning this fall, the B75 rotor blades will be installed ...
Energy & Green Tech
Jul 30, 2012
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New research from the University of South Florida suggests that one of the evolutionary secrets of the shark's success hides in one of its tiniest traits -- flexible scales on the bodies of these peerless predators that make ...
Soft Matter
Nov 24, 2010
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Villagers in Ethiopia's arid north live as they have for centuries surrounded by cattle and donkeys; only the rows of towering white wind turbines look out of place.
Energy & Green Tech
Dec 11, 2011
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(PhysOrg.com) -- Extremely hydrophobic materials cause water to roll right off objects that have been coated with them. Up to now, it was assumed that aircraft or wind turbines coated in such a way did not ice up as easily. ...
Condensed Matter
Jan 18, 2012
2
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Ramon Bargalló is a researcher belonging to the Department of Electrical Engineering at the Barcelona College of Industrial Engineering (EUETIB) of the Universitat Politècnica de Catalunya (UPC). In collaboration with the ...
Energy & Green Tech
Jan 20, 2015
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Researchers have developed a method that uses aluminum and a liquid alloy to extract hydrogen from seawater to run engines in boats and ships, representing a potential replacement for gasoline and diesel fuel in marine applications.
Energy & Green Tech
Oct 25, 2010
7
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Plans to build the biggest wind farm in Europe are underway in Sweden after winning approval from a local county administrative board on Monday, officials said.
Energy & Green Tech
Apr 6, 2009
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(Phys.org) —Electrical grids are balky beasts, and nobody knows that better than Stanford Assistant Professor of Civil and Environmental Engineering Ram Rajagopal. He grew up in Brazil, where no one took electricity for ...
Energy & Green Tech
Oct 8, 2014
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