If a tree fall in the forest and nobody's around...does it make any noise?
475814
If nobody is around to hear it, I guess we will never know!
1085273
I think you're missing the point of the question, which is how we can know something for sure without having sensed it. (which sort of evolved later into the question of how we can know something for sure, even if we do sense it).\nanyways, vis a vis the way you posited the question, it depends on what you mean by "sound". If you consider a soundwave a sound then yes, it makes a sound; if you consider sound only that which we hear, then no, it didn't make a sound. \n\nin other words, it appears your question is really: "If a tree falls in a forest and noone hears the sound it made, did it make a sound?" vs. "If a tree falls in a forest and no one hears it, did anyone hear it?"
79096
No!Because you can not tell . how if there would be nobody nobody could near the noise!
847790
use one of those canned air boat horns- they should hear it then\n\nhave you tried unplugging your phone (if its a land line)
865060
And if there's no one around to hear, do they make a noise?
413598
blackpowder or gunpowder exploding makes the cracle sound. they just put it in smaller sections so it wont be as loud
121646
actually u can..........if u leave your yahoo messenger online or offline............ it'll make a noise! ;)
1125237
this question is actually answered in my biology book..here is what it says:\n\n"perceptions, such as colors, smells, sounds and tastes, are constructions of the brain and do not exist outside it. so, if a tree falls and no one is present to hear it, is there a sound? the fall certainly produces pressure waves in the air, but if sound is defined as a perception, then there is none unless sensory receptors detect the waves and an animals brain perceives them"
52736
This is essentially a question of definitions, i.e. how you define sound or noise. \n\nHere are the two basic answers. \n\nYes \n\nA noise is a sound and a sound is a set of vibrating molecules referred to as sound waves. If a tree falls in the forest and makes a sound, it makes molecular vibrations, or sound waves, whether any human ear drum is around to sense them or not. So yes, it makes a noise. A person hearing it is irrelevant to the being of the sound. A person hearing it is only relevant to human consciousness of the sound. \n\nAnother argument for this viewpoint is based on theology. God observes the entire universe. \n\nNo \n\nIf a tree falls, and no one is around to hear it, it does not make a noise by definition. What is noise? What is sound? One must make sure to look at this question not from such a skewed view point to realize that he or she is being misled. From an early stage in our lives, through modern science, it is FACT that sound waves are processed in our brains, thus if we are not near the sound it is just an assumption that it does make a noise. \n\nSound travels through our ears, into the canal, and into the brain to allow for it to be processed by the brain, allowing for us to differentiate due to experiences that yes, it is that particular noise. However, one would not know the sound to be that way if they cannot imagine the situation. Thus, a human being or another entity must be present to absorb the vibrations, waves, etc in order to process the information. \n\nSome take this further and claim that the whole universe does not really exist until it is observed.
796124
you will have to be in one point in the building to hear that the object will sound like a "musical scale going" down as it drops... but since objects on free fall accelerate, you would hear the 'musical scale going down" only at a very short time...\nso when you listen, listen carefully...
652054
if it lands on you and you scream, and nobody can hear it, are you really screaming? hell yeah you are. and that tree made a pretty loud bang too.
730076
Yes it would still make a sound eventhough there is no one there to hear it because sound waves would be generated. I think the philosphical question asks whether it make a NOISE. There is a difference between a sound and a noise. A noise is a sound that is loud and unpleasant. That is a judgement call; therefore, it would necessitate someone there to hear it and make the call.
282828
This question has been asked forever and been the subject of debate. I think the question is worded incorrectly. If a tree falls, it makes a sound. That's a law of nature. The question is did it really fall if no-one was around to see or hear it.
1004921
Sound is a sense. The tree's fall causes vibrations, but, unless something is around to interpret those vibrations as sound, it is never "heard."
1184433
Wood Whispers.\n\nBranching out.
255127
Quantum theory suggest that no, it doesn't-- the observer affects the Universe.\n\nBut in a Newtonian, objective Universe, all the laws of physics should apply regardless of if there is an observer or not.\n\nI propose the falling tree is in an eigenstate like Shroedinger's cat: it is both making a sound and NOT making a sound.\n\nIf you aren't familiar with Shroedinger's cat, look it up and prepare to have your mind blown!
365761
if a ninja does anything anywhere he doesn't make a sound\nand if he makes a sound it will probably be the last sound you will ever hear.