Superconductivity Superconductivity Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature. It was discovered by Dutch physicist Heike Kamerlingh Onnes on April 8, 1911, in Leiden. Like ferromagnetism and atomic spectral lines, superconductivity is a quantum mechanical phenomenon. It is characterized by the Meissner effect, the complete ejection of magnetic field lines from the interior of the superconductor during its transitions into the superconducting state. The occurrence of the Meissner effect indicates that superconductivity cannot be understood simply as the idealization of
Heike Hanada have to be made concerning what is to be demolished and how one can or should adapt oneself when building. It is a tricky balancing act in which conservative conclusions come easily. When a new building stands next to an old one, the difference in periods is made articulate, the new enriches the old and vice versa, resulting in a powerful wholeness. The extension has officially been put on hold in autumn 2009 after a change in local government and a massive campaign about what critics saw as an unacceptable impact on the original, Asplund approved complex. Heike Hanada Heike