To achieve zero-loss power transmission now

"This new material could be used to make more potent and lighter wind turbines," he added, predicting it will make it possible to manufacture wind turbines one day with double the potency than existing ones.

To achieve zero-loss power transmission now, cables encased in tubes can be cooled with liquid nitrogen to make them superconductive -- but the complex and expensive technology has not been commercially used on a large scale.European researchers said Tuesday they had developed a cheaper and more efficient superconducting tape which could one day be used to double the potency of wind turbines..The aim is to one day find China Wheel lighters materials that can become superconductors at room temperature, which would allow zero-loss transmission of power over vast distances.In the long run the project could "revolutionise the production of renewable energy," the Institute said in a statement.Eurotapes, a European research project on superconductivity -- the ability of certain materials to channel electricity with zero resistance and very little power loss -- has produced 600 metres (1,968 feet) of the tape, said the coordinator of the project, Xavier Obradors, of the Institute of Materials Science of Barcelona.

"This material, a copper oxide, is like a thread that conducts 100 times more electricity than copper.In superconductivity -- first discovered in mercury in 1911 -- electrical resistance suddenly drops to zero in some metals when they are cooled to near absolute zero (-273 degrees Celsius, -459 Fahrenheit).Power companies have run only small-scale and pilot projects.This also produces a strong magnetic field -- an effect which has found applications, including in MRI body scanners.The European Union covers the bulk of its budget of 20 million euros ($21 million).When an electric current passes through a conductor such as copper and silver, part of the charge is lost as heat, a loss that increases with the distance the charge travels. With this thread you can for example make cables to transport much more electricity or generate much more intense magnetic fields than today," he told AFP.Eurotapes is a four-year project involving world leaders in the field of superconductivity from nine European nations -- Austria, Belgium, Britain, France, Germany, Italy, Romania, Slovakia and Spain.

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