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The global electromagnetic resonance phenomenon is named after physicist Winfried Otto Schumann who predicted it mathematically in 1952. Schumann resonances are the principal background in the part of the electromagnetic spectrum [2] from 3 Hz through 60 Hz [3] and appear as distinct peaks at extremely low frequencies around 7.83 Hz (fundamental), 14.3, 20.8, 27.3, and 33.8 Hz.
The fundamental Schumann resonance is at approximately 7.83 Hz, the frequency at which the wavelength equals the circumference of the Earth, and higher harmonics occur at 14.1, 20.3, 26.4, and 32.4 Hz, etc. Lightning strikes excite these resonances, causing the Earth–ionosphere cavity to "ring" like a bell, resulting in a peak in the noise ...
Current events; Random article; About Wikipedia ... Images featured on the Astronomy Picture of the Day (APOD) ... 1=Animation of Schumann resonance in Earth's ...
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The Great White Way is going green. To commemorate Earth Day on April 22, the Broadway Green Alliance is holding a free concert and recycling event in Times Square on April 20 and 23. A textile ...
Winfried Otto Schumann (May 20, 1888 – September 22, 1974) was a German physicist and electrical engineer who predicted the Schumann resonances, a series of low-frequency resonances caused by lightning discharges in the atmosphere.
Rough and Rowdy Ways World Wide Tour (referred to by some journalists as part of the ongoing Never Ending Tour) [1] is a concert tour by American singer-songwriter Bob Dylan in support of his 39th studio album Rough and Rowdy Ways (2020). The tour began in Milwaukee, Wisconsin on November 2, 2021.
"The average fundamental mode of resonance is around 7.8 Hz, and the rest of modes are 14, 20, 26, 33, 39, and 45 Hz with slight diurnal variation." However, the wiki article's /*Description*/ currently says they "appear as distinct peaks at extremely low frequencies around 7.83 Hz (fundamental), 14.3, 20.8, 27.3, and 33.8 Hz" yet cites that ...