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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.
Winfried Schumann was born in Tübingen, Germany, the son of a physical chemist. His early years were spent in Kassel and in Berndorf, a town near Vienna. He majored in electrical engineering at the Karlsruhe Institute of Technology. In 1912, he gained a doctorate with a thesis on high-voltage technology under the supervision of Engelbert ...
Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221.; The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies.
In quantum mechanics, resonance cross section occurs in the context of quantum scattering theory, which deals with studying the scattering of quantum particles from potentials. The scattering problem deals with the calculation of flux distribution of scattered particles/waves as a function of the potential, and of the state (characterized by ...
The first piece is in A minor and begins dreamily with hints of melancholy, but concludes with a resolution and hope in A major, looking forward to the next movement.. The second piece is in A major and is playful, upbeat, energetic and positive, with a central section modulating to F major with chromatic triplets in dialogue with the piano.
The Lincoln Theatre is a 582-seat performing arts venue located at 769 E. Long Street in the King-Lincoln Bronzeville neighborhood of Columbus, Ohio.The theater is owned by the City of Columbus under the auspices of the Lincoln Theatre Association.
The rotating-wave approximation is an approximation used in atom optics and magnetic resonance. In this approximation, terms in a Hamiltonian that oscillate rapidly are neglected. This is a valid approximation when the applied electromagnetic radiation is near resonance with an atomic transition, and the intensity is low. [1]
The Palace Theatre is a 2,695-seat restored movie palace located at 34 W. Broad Street in Columbus, Ohio.It was designed and built in 1926 by the American architect Thomas W. Lamb as part of the American Insurance Union Citadel (now the LeVeque Tower).