The top five manufacturers of high-temperature superconductors hold over 95% of the global market. These companies are: Sumitomo, American Superconductor (AMSC), Furukawa, Fujikura and SuNam. There ...

Magnetics specialist Goudsmit has developed a mobile system that can demagnetize on location. For such situations, the system essentially replaces the tunnel with 100 to 200 meters of cable, wound on ...

For most industrial applications, engineers need a high-side switch to control inductive loads. The challenge is how to discharge the energy in the inductor when the switch opens and current flow ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Affleck, J., Geophys., 23 No. 4 (Oct. 1958). Hendersson, R. G., and Zietz, J., Geophys., 21, No. 3 (July 1956). Jeans, J., The Mathematical Theory of Electricity and ...