El "hum" zumbido de la Tierra y posibles causas, incluyendo resonancia Schumann

Cada vez más eses fenómenos sonoros se presentan, muchas veces bromas o seguramente provocados por causas conocidas pero omitidas, sin embargo hay casos serios que apuntalan el fenómeno como uno real y serio. Yo tiendo a creer que por su naturaleza debe ser algo relacionado con la resonancia Schumann en un nivel ya audíble.

http://en.wikipedia.org/wiki/The_Hum

On 15 November 2006, Dr. Tom Moir of the Massey University in Auckland, New Zealand made a recording of the Auckland Hum and has published it on the university's website.^[3][4] The captured hum's power spectral density peaks at a frequency of 56 hertz.^[5] In 2009, the head of audiology at Addenbrooke's Hospital in Cambridge, Dr David Baguley, said that he believed people's problems with hum were based on the physical world about one-third of the time and the other two-thirds stemmed from people focusing too keenly on innocuous background sounds.^[6]

http://es.wikipedia.org/wiki/Resonancia_Schumann


http://www.ymipollo.com/~sorginak/159702.el-gemido-de-la-tierra-the-hum.html