Saturday, April 20, 2013

Superconductors

Super occupyors A superconductor is an element or compound that will conduct electricity without resistance below a cretin temperature. The phenomenon was notice in 1911 by Kamerlingh Onnes, who found that the resistance of mercury dropped shortly to zero at a temperature of about 4.2?K. For the next 75 years there followed a rather steady railroad train of announcements of new materials that become superconducting near absolute zero. A major breakthrough occurred in 1986 when Karl Alexander M?ller and J.
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Georg Bednorz announced that they had spy a new class of copper-oxide materials that become superconducting at temperatures prodigious 70?K. The work of M?ller and Bednorz, which earned them the Nobel Prize in Physics in 1987, precipitated a host of discoveries of other high-temperature superconductors that prove lossless electrical flow at temperatures up to one hundred twenty-five?K. Classical superconductivity (superconductivity at temperatures near absolute zero) is displayed b...If you want to corroborate a full essay, order it on our website: Ordercustompaper.com

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