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Relatively hot wire.(news & notes)(Brief article)
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Mechanical Engineering-CIME
- Article date:
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February 1, 2006
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Copyright informationCOPYRIGHT 2006 American Society of Mechanical Engineers. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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When the phrases "high temperature and liquid nitrogen" appear in the same sentence, it can only mean that the topic is superconductivity--the strange material property of losing all electrical resistance below a certain temperature. Superconducting wire, for instance, can carry enormous amounts of electricity without losses, making it perfect for long-range power transmissions or high-intensity electromagnets.
In spite of more than 15 years of extensive research in the field, making superconducting wire in large quantities is still slow and expensive. Ordinary metals are superconductive only at extraordinarily low temperatures, while high-temperature superconducting ...
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Relatively Hot Wire
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221 words
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