Abstract
Dr. H. K. Onnes discovered the zero electric resistance or superconductivity (SC) in mercury (Hg) in 1911, and Dr. J. G. Bednorz and Dr. K. A. Müller discovered high-temperature SC (HTSC) in ceramics in 1986. Although a long time has passed since the discovery of various SC phenomena and materials, their industrial use is still limited. Among various SC phenomena, applications using the generation of a strong magnetic field have been used relatively widely. This column, “News from Japan,” has reported the development of HTSC coil windings for a power transformer [1], HTSC magnetic resonance imaging used in medical diagnosis [2], and flywheel energy storage using HTSC magnetic bearings [3], as typical Japanese examples of HTSC applications.
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