Exactly 200 decibels will kill a human being because by 100 decibels isequivalent to a rifle 5 feet away causing a person to become partially deaf. By 150 decibels a average 160 pound person will...
That depends how close you measure to the beak of the bird. The closer - the louder! The distance is very important if you measure with a sound pressure level meter.
its not 1.66. sound is not a simple math problem. an increase in 3 decibels is double the "volume". for example, 63 decibles is twice as loud as 60 decibles, and 66 is twice as loud as 63. this is...
The sound barrier is a term associated with the speed of sound in air. In that light, breaking the sound barrier is done with speed and not with a loud (many decibel) sound. We don't see anyone...