The Hum
The Hum adalah berbagai fenomena yang melibatkan suara dengungan berfrekuensi rendah dan tidak semua orang dapat mendengarnya. Hum dilaporkan terjadi di berbagai tempat. Contoh laporan yang terkenal adalah di Taos, New Mexico, sehingga The Hum kadang-kadang juga disebut Taos Hum. Dengungan dilaporkan terdengar di seluruh dunia, terutama di Eropa. Hum sulit dideteksi oleh mikrofon, dan sumbernya masih misterius.
Pada tahun 1990-an, fenomena Hum pertama kali dilaporkan di Amerika Utara, ketika penelitian oleh Universitas New Mexico dan keluhan banyak warga yang tinggal dekat Taos, New Mexico, menarik perhatian media. Namun pada tahun 1970-an dan 1980-an, fenomena yang mirip juga dilaporkan oleh penduduk, terutama di Britania Raya dan negara lain seperti Selandia Baru.[1]
Beberapa penjelasan yang mungkin merupakan asal dari Hum adalah:
- Suara buatan manusia
- Getaran gelombang mikro
- Gelombang elektromagnetik akibat meteor
- Sistem komunikasi berfrekuensi sangat kecil
- Sistem pemanasan ionosfer
- Tinnitus
- Emisi otoakustik spontan
Catatan kaki
- ^ "Researchers investigating things that go hum in the night". Massey University. October 11, 2006. Diarsipkan dari asli tanggal 2006-11-09. Diakses tanggal 2006-10-19.
Daftar pustaka
- Deming, David (2004). "The Hum: An Anomalous Sound Heard Around the World". Journal of Scientific Exploration. 18 (4): pp. 571–595.
- Friedrich, Samantha M. Resident irritated by 'hum' Diarsipkan 2007-09-30 di Wayback Machine., The Thomaston Express, May 26, 2006. - Local Resident Experiencing the hum
- The Guardian staff. What's that noise?, The Guardian, October 18, 2001. - Article on the Largs Hum (Scotland) and the Hum in general.
- Pilkington, Mark. Humdinger, The Guardian, July 22, 2004. - General background.
- Tanimoto, Toshiro (2008). Geophysics: Humming a different tune. In: Nature 452: 539. [1]
- National Public Radio USA. The Buzz behind Auckland's Hum
Pranala luar
- Taos Hum - Independent site by Bill Beaty concerning mostly the Hum in Taos, New Mexico.
- The Hum Diarsipkan 2007-08-10 di Wayback Machine. - Independent site by John Dawes, who claims the hum is an electrical interference effect with buildings.
- Summary by Joe Mullins of a study about the Taos Hum Diarsipkan 2007-08-09 di Wayback Machine.
- Mystery Hum Home Page Diarsipkan 2017-05-21 di Wayback Machine. - Site totally devoted to the Mystery Hum
- Anomalous Sounds di Curlie (dari DMOZ)
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