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The tree will make a sound, even if nobody heard it, simply because it could have been heard. The answer to this question depends on the definition of sound. We can define sound as our perception of air vibrations. Therefore, sound does not exist if we do not hear it. When a tree falls, the motion disturbs the air and sends off air waves.
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Could a fallen tree be what you need to reach the other side of a dispute? If a tree falls in a forest and no one is around to hear it, does it make a sound? The answer depends upon which definition of the word sound you're using. A tree that falls in the forest always creates sound waves but only creates sound perception if someone is around ...
Is the statement, "Yes, it obviously made a sound because all observed falling trees make a sound, and there is no detectable connection between the tree and the observer that affects sound production" equivalent to "Yes, we absolutely know it made a sound" —Preceding unsigned comment added by 65.96.163.148 15:11, 12 March 2010 (UTC)
[17] This means that the correct response to the question: "if a tree falls in a forest and no one is around to hear it, does it make a sound?" is "yes", and "no", dependent on whether being answered using the physical, or the psychophysical definition, respectively.
Related: Brenda Lee Reflects on Her Record-Breaking No. 1 Hit 'Rockin' Around the Christmas Tree' (Exclusive) "He said, 'I was laying on the beach in New York,' and pine trees were over to this side.'
Jack Rieley and I talked about the idea of the song and then he wrote lyrics. ... [It's] a big song because it's about how people treat the earth, but it's also a small song because it's about how one living thing can feel stripped down and wrong for the world. In a way it's not so different from "I Just Wasn't Made for These Times." [2]
Measured sound emissions by plants as well as differential germination rates, growth rates and behavioral modifications in response to sound are well documented. [1] Plants detect neighbors by means other than well-established communicative signals including volatile chemicals, light detection, direct contact and root signaling.