that we may hope to form a theory of terrestrial magnetism, than from “making an hypothesis,”and then attempting to apply it to facts.

Chinese researchers detected audible electromagnetic waves over 62,000 miles from Earth in a region where they weren't ...

A superflare is an exceptionally powerful electromagnetic emission from a star, releasing energy equivalent to a trillion ...

THE letters which have recently appeared in NATURE on the relationships of wireless reception and terrestrial magnetism suggest that a few remarks from the point of view of a magnetician may not ...