(PhysOrg.com) -- Taking advantage of the steady sea currents that flow through the underwater canyon walls in the sound of Islay, off the southwest coast of Scotland, between the islands of Islay and Jura, the Scottish energy ...
Wind power is an increasingly popular form of renewable energy. However, when it's time to replace the huge turbine blades that convert wind into electricity, disposal is a problem. Now, scientists report a new composite ...
Materials Science
Aug 23, 2022
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The problem with wind turbines is that they produce electricity "as the wind blows." When there are high winds, production increases and the price of electricity falls; when the wind tapers off, production decreases and the ...
Energy & Green Tech
Nov 29, 2018
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(Phys.org) —Engineers know that gas turbine engines for aircraft and power plants are more efficient and burn less fuel when they run at temperatures high enough to melt metal. But how to raise temperatures and efficiencies ...
Engineering
Aug 2, 2013
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Tests at a school beside an informal electronic waste salvage site in Ghana's capital Accra reveal contamination due to lead, cadmium and other health-threatening pollutants over 50 times higher than risk-free levels.
Environment
Oct 30, 2011
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Incorporating wind power into existing power grids is challenging because fluctuating wind speed and direction means turbines generate power inconsistently. Coupled with customers' varying power demand, many wind-farm managers ...
Energy & Green Tech
Mar 25, 2013
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Taking inspiration from the yellow fattail scorpion, which uses a bionic shield to protect itself against scratches from desert sandstorms, scientists have developed a new way to protect the moving parts of machinery from ...
Materials Science
Jan 25, 2012
3
0
Migratory birds are declining globally because of the way that humans have modified the landscape over recent decades—according to new research from the University of East Anglia.
Plants & Animals
Jun 24, 2022
0
229
The Francis turbine is the most common type of water turbine used in Norwegian hydropower plants, and has been for many years. About half of the world's Francis turbines are found in Norwegian plants.
Energy & Green Tech
May 26, 2015
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Spanish energy giant Iberdrola has completed one of the world's biggest wind farms in the US state of Ohio, which will produce more than 300 megawatts of power, it said on Monday.
Energy & Green Tech
Mar 5, 2012
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