065 Title : Author : Subject : Keywords : Creator : Producer : itext-paulo (lowagie.com)[JDK1.1] - build 126 Created Date : D:20070402150046-05'00' Modified Date: D:20070402150046-05'00' SavedBy : Encrypt : No Version : 1.4 Filesize : 84615 Page Count : 1 --------------------------------------- 1 motor, the Meissner motor, the interest and participation based on high-temperature of private industry. More superconducting properties. benchmark successes were That same year,the laboratory achieved. A private super- was named a national center for conductivity company, Illinois the study of high-temperature Superconductor Corp.,was superconductivity applications. founded in 1990. It is the first superconductivity company In the first four years since to be formed as part of ajoint the 1986 discovery of high- cooperative program among A “super coil” temperature superconductivity state and federal government, of flexible Argonne scientists reported private industry and academia. superconducting 18 superconducting inventions, It had the first high-temperature tape loses all including determination of the superconducting commercial resistance to precise position of oxygen product on the market – a electricity when atoms in high-temperature liquid nitrogen depth sensor cooled by liquid superconducting ceramics used in hospital equipment. nitrogen. production of high-temperature In 1990, Argonne and Westin- superconducting bearings that ghouseScience and Technology hold the world’srecord for Center developed an electrical is supplied to consumers. lowest losse, extrusion of wire lead that achieved a world Teamwork between scientists from high-temperature super- record for current carried by a from Argonne and Intermag- conducting materials —the first practical high-temperature netics General Corp. produced laboratory in the world to do so. superconductor device. Three the strongest magnetic field They later grew single crystals years later, Commonwealth ever generated by a coil of high- of the material and discovered Edison and Argonne developed temperature superconducting that current is carried primarily the world’smost efficient super- tire —an important innovation through chains of copper and conducting magnetic bearing. for motors and generators. In oxygen in th@crystals. They also It could revolutionize the way January 1994, they would set an determined the crystal structure electricity is stored and how it even stronger record. of the first high temperature superconductor —yttrium barium copper oxide. In 1990, Argonne chemists surpassed their own world!. record for the highest transition temperature for an organic superconductor. The following year,scientists ., from Argonne and Northwest- ern University discovered anew family of high-temperature superconductors made of a compound of oxygen, copper, gallium, strontium and yttrium. Superconductorsaretestedby Argonne’s designation as one BogdanDabmwskiin a high- silver-clad high-temperature of three Superconducting Pilot pressuresynthesischambez superconductorwire. Centers in the country attracted 59