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Post Reply If a tree fell...
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22 / M / Maryland
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Posted 4/7/15
I believe so, yes.
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24 / M / Surrey, UK
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Posted 4/7/15
Not this shit again...
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20 / F
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Posted 4/7/15
yes,the tree will...he wont think about at that point where he knew that its his end . he will still scream out loud to tell his loved ones that he is going, waving a final bye with the leaves.



they to gt life
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22 / M
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Posted 4/7/15
Yes, and no. It honestly depends on how you define sound. If you define sound like scientists and what not, as the psychological perception of vibrations in the air as they hit our ear drums, then no. There isn't sound, as sound requires someone to perceive it.

If you define sound as vibrations in the air, then yes. Regardless, there is 'sound,' just no one to perceive it as such.
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24 / F / United States, DE
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Posted 4/7/15
I would say yes. Why wouldn't it make noise just because no one is there to hear it?
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Posted 4/7/15

Phersu wrote:

Yes, and no. It honestly depends on how you define sound. If you define sound like scientists and what not, as the psychological perception of vibrations in the air as they hit our ear drums, then no. There isn't sound, as sound requires someone to perceive it.

If you define sound as vibrations in the air, then yes. Regardless, there is 'sound,' just no one to perceive it as such.


Liked this. Bravo
You have a very broader way of thinking.
Posted 4/7/15
How do you know it fell if you weren't there to hear it?
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Rabbit Horse
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Posted 4/7/15 , edited 4/7/15
the official definition, according to Oxford [1]
Vibrations that travel through the air or another medium and can be heard when they reach a person’s or animal’s ear. (there are other definitions, but this is the one relevant in this context)

note that it's never said that a person must be present. the only requirement is that, should a person (without hearing impairment) be in the presence of such sound, he or she should be able to hear such a sound, that is "perceive" or notice the sound.

if you try and look up the definition in a dictionary for engineers [2], sound is defined precisely as "[m]oving pressure variations in air caused by something vibrating between 20 times a second and 20,000 times a second or similar variations in other substances like water. ". notice that in this definition, the presence of someone capable of hearing such a wave is completely irrelevant.

[1] http://www.oxforddictionaries.com/us/definition/american_english/sound
[2] http://www.topnotchaffairs.com/s.htm

either way, the presence of a person is strictly not necessary to consider if something is making a sound or not.

now, to answer the question:
if there are particles in the air when the tree falls, then yes, it should make some noise.
if, however, the tree falls in a vacuum, then no, it doesn't make a sound as there's no particles that can be excited as a result from the fall.

there's nothing psychological about sound.

edit: fixed link
edit2: because sound is srs business
Posted 4/7/15 , edited 4/7/15
A tree falls, and the local wildlife will no doubt hear the noise. Therefore, you don't need to be there. Birds won't scatter unless they hear the sound. (maybe not this much I'll admit) So, the lack of human presence doesn't negate sound unlesss you define it as a psychological phenomenon. Depending on how you choose to define it, but it makes noise and the environment is effected somewhat if only a little bit..

Edit: was going to post images of squirrels running and shit, but nvm.
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Posted 4/7/15 , edited 4/7/15
I will refer to this as Schrödinger's tree.

It makes a sound and it also does not make a sound. These choices are there, but only one state may be chosen when observed.
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21 / M / Tiphares
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Posted 4/7/15

Dark_Childe wrote:

A tree falls, and the local wildlife will no doubt hear the noise. Therefore, you don't need to be there. Birds won't scatter unless they hear the sound. (maybe not this much I'll admit) So, the lack of human presence doesn't negate sound unlesss you define it as a psychological phenomenon. Depending on how you choose to define it, but it makes noise and the environment is effected somewhat if only a little bit..

Edit: was going to post images of squirrels running and shit, but nvm.


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28 / M / Clinton, NY
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Posted 4/7/15
The air waves would still vibrate but without an ear/microphone to receive them there would be no sound.
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39 / Inside your compu...
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Posted 4/7/15
If I fart in a forest and nobody's there to smell it, does it still smell?
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Posted 4/7/15
It's amazing how people can take this question seriously. Whoever started spreading this question around was either incredibly stupid or one of the smartest trolls in history.
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