From a long view of the history of mankind — seen from, say, ten thousand years from now — there can be little doubt that the most significant event of the 19th century will be judged as James Clark Maxwell’s discovery of the laws of electrodynamics (electro-magnetism).

— Richard  Feynman

vvvI’ve always admired sharks because they have a dimension of intelligence that is somewhat unique to that animal, and especially a great white. A great white has this organ called an ampullae of Lorenzini, and it can actually sense electromagnetic disturbances.
Jim Toomey