Schumann resonance
English
Etymology
Named after the physicist Winfried Otto Schumann, who predicted them mathematically in 1952.
Noun
Schumann resonance (plural Schumann resonances)
- 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.
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