The story of the Schumann resonances is interesting in itself, because rather than being discovered through observation they were predicted in 1952 in a mathematical study of the ionosphere by a ...

Schumann Resonance At any given moment about 2,000 thunderstorms roll over Earth, producing some 50 flashes of lightning every second.

Because Schumann resonances are a global phenomenon, scientists can use them to study changes in Earth’s electrical properties. This has practical applications for monitoring space weather, ...