Schumann Resonances (SR)

Schumann Resonance

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The Schumann resonances (SR) are a set of spectrum peaks in the extremely low frequency (ELF) portion of the Earth's electromagnetic field spectrum. Schumann resonances are global electromagnetic resonances, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

An incredible twist of fate

In 1951, a German researcher made a discovery that was to change everything. His name was Winfried Otto Schumann and he was a professor of Physics at the Technical University in Munich. One day he was teaching his students the physics of electricity, explaining how a sphere inside another sphere can generate voltage and therefore frequency. The students could not quite comprehend this phenomenon. The professor asked them to envision the Earth as being a sphere inside another sphere (the ionosphere). He drew a picture on the blackboard and asked them to compute the voltage existing between the two. Schumann himself did not know the answer. So he started to compute along with his students. Finally he came to a frequency of about 10 Hz. He could hardly believe that the Earth had a pulse, a measurable frequency. Though proud of his discovery, the brilliant professor didn’t realize how important it really was. Schumann's results were published on the last pages of a not very popular scientific journal under the headline the Schumann Resonance. Only after a number of years and an incredible twist of fate did the professor understand how great his discovery was.

That twist of fate had already taken place 30 years before due to another German scientist― Hans Berger. Using an electroencephalograph of his own design, Berger was the first to record the electrical frequencies transmitted by the human brain. This discovery was originally to be named after him, but Berger, a modest man, named it the "Alpha waves".

Shortly after Schumann's discovery, a fellow physician of Hans Berger came upon a scientific journal that had published the article on Schumann resonance a few years before. He read it several times and understood the magnitude of that discovery. The frequency of Alpha waves recorded and measured by Hans Berger was almost identical to Schumann resonance, the frequency of the Earth. That physician immediately contacted Schumann and persuaded him to carry on his research. Helped by one of his students, the professor at the Technical University in Munich started to study closely how the voltage was discharged through lightning bolts inside the cavity between the Earth and the ionosphere. By computing, he came to an exact result. Namely, that Schumann resonance was 7.83 Hz. It was astonishing. Schumann resonance had the same value as the Alpha waves measured by Hans Berger. The brain waves that bear on our creativity, performance, level of stress, anxiety and immune system proved to have the same frequency as our planet. The pulse of our Earth became the pulse of life itself. Coincidence?
Reference: Technology For Life


Hans Berger (21 May 1873 – 1 June 1941) was a German psychiatrist. He is best known as the inventor of electroencephalography (EEG) (a method for recording "brain waves") in 1924, coining the name, and as the discoverer of the alpha wave rhythm, also known as the "Berger wave".

In 1924, Berger succeeded in recording the first human electroencephalogram (EEG). Filled with doubt, he took five years to publish his first paper in 1929 which demonstrated the technique for "recording the electrical activity of the human brain from the surface of the head". His findings were met with incredulity and derision by the German medical and scientific establishments.


Winfried Otto Schumann (May 20, 1888 – September 22, 1974) was a German physicist who predicted the Schumann resonances, a series of low-frequency resonances caused by lightning discharges in the atmosphere.

This global electromagnetic resonance phenomenon is named after physicist Winfried Otto Schumann who predicted it mathematically in 1952. Schumann resonances occur because the space between the surface of the Earth and the conductive ionosphere acts as a closed waveguide. The limited dimensions of the Earth cause this waveguide to act as a resonant cavity for electromagnetic waves in the ELF band. The cavity is naturally excited by electric currents in lightning. Schumann resonances are the principal background in the part of the electromagnetic spectrum from 3 Hz through 60Hz, and appear as distinct peaks at extremely low frequencies (ELF) around 7.83 Hz (fundamental), 14.3, 20.8, 27.3 and 33.8Hz.