Finally, a hotter superconductor

Article Abstract:

Scientists at the Eidgenossische Technische Hochschule have discovered a superconducting material that retains superconductivity up to 133 degrees Kelvin. The material is made of mercury, barium, copper and oxygen. The toxic nature of mercury will probably prevent the material from having any commercial application.

High temperature superconductors

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Theory meets experiment in high-T superconductivity

Article Abstract:

Two groups of physicists working independently have introduced competing theories of high-temperature superconductivity that are unique from earlier theories because they are both specific enough to be tested. The theories are briefly described and contrasted.

Models

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Shiny molecules gain new luster

Article Abstract:

Organic electroluminescent devices are a promising technology for computer monitors, television screens and other lighting. Researchers are working on molecular thin films and on more durable polymer sheets.

Electroluminescent displays, Electroluminescent display systems

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