Schumann resonance

noun

Etymology

Named after the physicist Winfried Otto Schumann, who predicted them mathematically in 1952.

Definitions

  1. Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the…

    Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

The neighborhood

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sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA