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IIRC, the superconductivity of these materials breaks down when the magnetic field reaches a certain intensity. Also, the materials themselves are exceedingly brittle, and technologies for using them in real-world applications are still in the laboratory stage.

The fact is that what we're experiencing right now is a top-down disaster. -Paul Krugman
by dvx (dvx.clt št gmail dotcom) on Wed Sep 27th, 2006 at 04:18:01 AM EST
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The high-Tc materials can tolerate quite high magnetic fields, but problems including brittleness have indeed kept them from creeping out of the laboratory more than a very little.

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by technopolitical on Wed Sep 27th, 2006 at 06:50:09 PM EST
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