American Superconductor has always said it was aware of that reality and the risks it presented.
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The promise of the huge Chinese market sparked huge gains for Superconductor Technologies on Monday.
As a result of the fluid state, electrons roamed as freely as they do within a superconductor.
Superconductor Technologies, a company based in Santa Barbara, California, is building superconducting filters for mobile-phone base stations.
"Most of what you do involves other people, and the Internet is a superconductor for that, " says Sillace.
This is the sort of thing that American Superconductor, a firm based in Westborough, Massachusetts, is working on.
American Superconductor, for its part, sees a different and complementary challenge worth addressing.
These perfect spheres are coated with niobium, a metal which, when kept close to absolute zero, is a superconductor.
But, according to Greg Yurek, American Superconductor's boss, it will be a third of the weight of its conventional alternative.
It means that electrons from the metal can end up in the superconductor without having to pass through the insulator.
Other minor contributions towards heating the putative refrigerator are the impurity of the superconductor and the resistance of the junction.
But superconductor or not, this remarkable phenomenon stands out as an unexpected by-product of the end of the cold war.
Similarly, American Superconductor has come up with superconducting cables that can carry five times as much power as ordinary wires.
American Superconductor is a company that fell victim to that in spades.
Accordingly, American Superconductor has been using its tape to build superconducting motors.
Solitary electrons in a superconductor do not maintain their independence for long.
Siemens and the Karlsruhe Institute of Technology (KIT) plan to demonstrate that high-temperature superconductor technology is suitable for power generation in everyday operation.
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In April, American Superconductor shares swooned after it disclosed that Sinovel had refused to take shipment on previously ordered turbines and spare parts.
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Ferris, Baker Watts analyst Matthew Robison said that bigger industry players like Andrew Corp. and Powerwave Technologies have largely stayed away from Superconductor's technology.
The result is that the triple junction has a tendency to pump fast electrons from the metal into the superconductor, cooling the metal down.
The superconductor's lack of resistance allows the firm to build filters that can chop a signal into much narrower frequency bands than a traditional filter.
American Superconductor this morning said it has cut its workforce by about 25% and is consolidating office space to reduce operating costs and improve liquidity.
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American Superconductor and its competitors are also engaged in a race to make superconducting tape that could be used to carry power on the grid itself.
The researchers are hedging their bets, and much more evidence will be needed to convince physicists that it is justified to talk of a new superconductor.
This was unsustainable even before silver prices went through the roof, says Jack McCall of AMSC (formerly American Superconductor), the world's biggest producer of HTS wires.
But American Superconductor (AMSC)has been brought to its knees in recent weeks by its Chinese partner, Sinovel, one of the largest manufacturers of wind turbines in China.
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Yet-Ming Chiang, professor of ceramics who has co-founded A123 Systems (AONE) and American Superconductor (AMSC), developed a technology that would allow batteries to produce a different kind of energy.
When a suitable kick is applied, however, a stream of hot electrons does indeed flow from the metal to the superconductor, and the laws of physics are boringly preserved.
That done, trying the experiment with different conductors may suggest why a subtle change in the structure of an insulator or a superconductor can cause a major change in its character.
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