The whole history of the development of the transformer and the alternating-current motor is simply the realisation of the solution of a differential equation given long ago by Maxwell.

About this article Cite this article RUSSELL, A. (1) A Treatise on the Elements of Electrical Engineering (2) Continuous-current Motors and Control Apparatus (3) Power Wiring Diagrams.

This map from NOAA shows the oil's current position in pink, and how a small portion of the oil is already caught up in the loop current (diagram of the Loop Current at right). From Deepwater ...