BloopIn 1997, a strange sound was picked up by separate underwater microphones from the depths of th

BloopIn 1997, a strange sound was picked up by separate underwater microphones from the depths of the South Pacific. Named Bloop, it was unprecedented in that the microphones were situated over 5000 km apart (about 3100 miles). The sound was described to rise rapidly in frequency for about a minute, and the fact that it was of sufficient amplitude to be heard on different microphones so far apart suggests that the source was unimaginably large.Naturally, this caused quite a stir. A range of theories arose in an attempt to explain the sound, the least scientific of which came from fans of horror fiction author H.P Lovecraft, who suggested the sound was made by the almighty Cthulhu. They were even more excited when scientists pinpointed the source of the sound to be uncannily close to that of Cthulu’s lair (about 50°S, 100°W - a remote point in the Pacific, west of South America). There was also some speculation of the sound coming from some other unknown leviathan from the abyss. This was considered unlikely, as Bloop was several times louder than the loudest recorded biological sound (from the blue whale).Christopher Fox of the National Oceanic and Atmospheric Administration (NOAA) came up with the plausible theory that Bloop is actually the sound of ice cracking, as it breaks apart during icequakes in Antarctica. Sounds recorded during these events confirm that Bloop is essentially indistinguishable in regularity, duration, and timing. Though this explanation was widely accepted as valid and the mystery considered closed, Fox remained uncertain, and spoke of his uncertainty during a piece with journalist David Wolman:“Fox’s hunch is that the sound nicknamed Bloop is the most likely to come from some sort of animal, because its signature is a rapid variation in frequency similar to that of sounds known to be made by marine beasts. There’s one crucial difference, however: in 1997 Bloop was detected by sensors over 4800 kilometres (2982.582 miles) apart. That means it must be far louder than any whale noise, or any other animal noise for that matter. Is it even remotely possible that some creature bigger than any whale is lurking in the ocean depths? Or, perhaps more likely, something that is much more efficient at making sound?”You can hear Bloop for yourself in an approximation of real-time here (https://www.youtube.com/watch?v=oCw16_Yxid0). Skip to 00:44 to hear it and formulate your own valid/wild conclusions!VPImage: Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Bloop.jpg) Tata Aka (https://flic.kr/p/4VLFw5)References: http://bit.ly/1VGsc6e -- source link

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