Electrodynamic Explanation of Ball Lightning Ball lightning is considered as self-closed alternating displacement current , which produces air luminescence (electroluminescence).
Jaynes, Bill Illustration that "dances on the existential abyss with an alternating current of fear and love."
CR Magnetics Current transformers, voltage transformers, power transducers, current transducers and hall effect devices for alternating and direct current .
Nikola Tesla Discovered the rotating magnetic field, the basis of most alternating - current machinery. Als, invented the Tesla coil, that is widely used in radios. Includes biography, list of inventions, photos, and quotes.