Thread: Decibels
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Old Dec 1, 2005 | 11:44 AM
  #9  
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Tark
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Originally Posted by TaekOne
sound travels in waves through any medium, whether its air molecules or water molecules. so basically, yeah the farther away you are from the source, the more distorted and quieter it gets just from propagating. but thats why you cant hear anything in outer space; there is no medium, its a vacuum.

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ok so how can they say "130 db Jackhammer or machine gun" if no distance is given?
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