2.1 Zero electrical resistance

In this section we shall discuss some of the most important electrical properties of superconductors, with discussion of magnetic properties to follow in the next section.

The most obvious characteristic of a superconductor is the complete disappearance of its electrical resistance below a temperature that is known as its critical temperature. Experiments have been carried out to attempt to detect whether there is any small residual resistance in the superconducting state. A sensitive t
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Replacing existing silicon chips with cheap lightweight plastic electronic technology could transform our world. Imagine electronically updated food labels, computers embedded in our armchairs, even contact lenses linking us directly to the Internet to bring us into the age of plastic electronics. Dr Andrew Flewitt and Dr Robert Phaal both from the Department of Engineering and Scott White serial entrepreneur and CEO of Pragmatic Printing talk about the creative partnership forged between diffe
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References

Lewis, G. and Phoenix, A. (2004) ‘Race ‘ethnicity’ and identity’ in Questioning Identity, K. Woodward (ed.), London, Routledge/The Open University.
The Runnymede Bulletin (1999) ‘Black deaths in police custody’, no.319, September, pp.8–9.
Sardar, Z., Ravetz, J. and Van Loon, B. (1999) Introducing Mathematics, Cambridge, Icon Books.

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Author(s): Lawrence Bailey,Leeds Metropolitan University

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De leerlingen leren over het ontstaan van sprookjes en over bekende sprookjesschrijvers zoals de gebroeders Grimm, Perrault, etc. Ze bespreken ook het typische begin en einde van sprookjes. Tot slot beluisteren ze Sprookjeswet van …


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