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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 ...
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.
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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.
Spare Parts is a platform game featuring robots. Spare Parts is a platform game. It features local and online cooperative gameplay, and players can drop in and out on the fly. [2] The game features incentives for cooperative play, such as special moves that can only be executed with two players. [3] The game does not feature an AI companion ...
As a mod for Half-Life, Half-Life: Echoes is a first-person shooter that differs slightly from the base game. The first part of the game is mainly survival horror, limiting the player's arsenal and introducing monsters, including unused enemies. [5] The second half of the game has the player fight against the HECU Marines. [6]
Ludonarrative dissonance is the conflict between a video game's narrative told through the non-interactive elements and the narrative told through the gameplay. [1] [2] [3] Ludonarrative (from ludus, "game", and narrative) refers to the intersection of a video game's ludic elements and narrative elements. [1]