Google musings
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Mike Everman
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Google musings
"In a soundproof room, there is still air, but when you hold the seashell to your ear, there's no sound."
http://science.howstuffworks.com/question556.htm
"But there's another dynamic at work in the seashell or the coffee cup.
This second type of resonance is called "Helmholtz,"
http://www.discovery.com/area/skinnyon/ ... nnyon.html
"I do prick up my ears when he tells me that people used to break the tip off big seashells and use them as hearing aids."
intensity, n.: "You know that old thing, 'If a tree falls in the forest and no one hears it, did it make a sound?'" Berlin asks me. "Well, the answer is pretty simple: There is intensity, but there is no loudness." Physicists think of sound waves in terms of their intensity, or forcefulness. Psychologists describe them in terms of how people perceive them, or their loudness. No people in the forest, no loudness.
http://science.howstuffworks.com/question556.htm
"But there's another dynamic at work in the seashell or the coffee cup.
This second type of resonance is called "Helmholtz,"
http://www.discovery.com/area/skinnyon/ ... nnyon.html
"I do prick up my ears when he tells me that people used to break the tip off big seashells and use them as hearing aids."
intensity, n.: "You know that old thing, 'If a tree falls in the forest and no one hears it, did it make a sound?'" Berlin asks me. "Well, the answer is pretty simple: There is intensity, but there is no loudness." Physicists think of sound waves in terms of their intensity, or forcefulness. Psychologists describe them in terms of how people perceive them, or their loudness. No people in the forest, no loudness.
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