"If a Tree Falls in a Forest 🌳
And no one is around to Hear it 🦻
Does It Make a Sound?" 🔊
This
clip is from QI Series H, Episode O8 , 'Hypothetical' with Stephen Fry,
Alan Davies, Sandi Toksvig, Johnny Vegas and John Lloyd.
* Question may not be settled. 🤔
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Comments:
Jonny Vegas' comment about the speed of sound is pretty astute, not sure why everybody laughed at him. If sound is something that has speed then it can't be something that just occurs in the ear.
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Yeah I loved that part. But it's all about how you define it there as well. The movement of the molecules might take a while to reach your ear but only when it hits your eardrum is it actually sound (if you define sound like the people answering no to this question).
It's like what he said about light being invisible or "not light" before it bounces off of something and hitting your retina.
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I think it was a bit of a nervous laugh as he'd hit the nail on the head.
They didn't laugh AT him, they were laughing at the unexpectedness of the solid argument coming from him. Also they applaud him as well.
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Johnny Vegas' comment 'it should still be upright' is astoundingly satisfying.
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The definition of sound is ‘vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear’. The definition is not ‘vibrations that ARE heard’ but ‘vibrations that CAN be heard’. Just because something isn’t there to hear the sound, doesn’t mean that there is no sound, it’s still present. Therefore, a falling tree would make a sound even if no one was there to hear it
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If something emits light which doesn't reach your eye, it has still emitted light. Energy has still been transferred. The same goes for sound...
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Light is not invisible until it bounces of something. It is visible 'in a vacuum' as long as it travels in the direction of your eyes.
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Light works as a particle or a packet of information. That is to say if you receive a light particle it is light and is received as such, energy has been transferred. But "sound" is only sound when a vibration is in the observable range. That is to say we don't call very low frequency tremors or very high frequency vibrations sounds if we cant hear them. If you travel fast enough at a low frequency vibrating object it will appear to make sound and then if you travel faster it will stop making sound as the frequency will be too high to be heard. Something that doesn't make a sound when when you are moving relative to it, but if moving relatively faster towards it, it is changed will and make a sound due to the listener. This is to say that the difference between a vibration and a sound is based on the receivers range of hearing ergo a vibration requires a listener to become a sound. I.e without an observer there is no sound.
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To bring back to the light example if you said light in the visible spectrum, that would work better as like sound in the audible vibration spectrum it depends on the receiver. I.e It requires a receiver to be classified as sound or visible light then without that observer/receiver it is just a vibration or light, the relativity of the observer to the vibration/light is the key to defining it as what it is, therefore it isn't sound or visible light without that observer.
💡 https://youtu.be/_w9FF0hZVfU?si=EM3sRRLhv_hCS672
🔉 💡
Yeah I loved that part. But it's all about how you define it there as well. The movement of the molecules might take a while to reach your ear but only when it hits your eardrum is it actually sound (if you define sound like the people answering no to this question).
It's like what he said about light being invisible or "not light" before it bounces off of something and hitting your retina.
🔉
I think it was a bit of a nervous laugh as he'd hit the nail on the head.
They didn't laugh AT him, they were laughing at the unexpectedness of the solid argument coming from him. Also they applaud him as well.
🌳
Johnny Vegas' comment 'it should still be upright' is astoundingly satisfying.
💡
The definition of sound is ‘vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear’. The definition is not ‘vibrations that ARE heard’ but ‘vibrations that CAN be heard’. Just because something isn’t there to hear the sound, doesn’t mean that there is no sound, it’s still present. Therefore, a falling tree would make a sound even if no one was there to hear it
💡💡
If something emits light which doesn't reach your eye, it has still emitted light. Energy has still been transferred. The same goes for sound...
💡
Light is not invisible until it bounces of something. It is visible 'in a vacuum' as long as it travels in the direction of your eyes.
💡
Light works as a particle or a packet of information. That is to say if you receive a light particle it is light and is received as such, energy has been transferred. But "sound" is only sound when a vibration is in the observable range. That is to say we don't call very low frequency tremors or very high frequency vibrations sounds if we cant hear them. If you travel fast enough at a low frequency vibrating object it will appear to make sound and then if you travel faster it will stop making sound as the frequency will be too high to be heard. Something that doesn't make a sound when when you are moving relative to it, but if moving relatively faster towards it, it is changed will and make a sound due to the listener. This is to say that the difference between a vibration and a sound is based on the receivers range of hearing ergo a vibration requires a listener to become a sound. I.e without an observer there is no sound.
💡
To bring back to the light example if you said light in the visible spectrum, that would work better as like sound in the audible vibration spectrum it depends on the receiver. I.e It requires a receiver to be classified as sound or visible light then without that observer/receiver it is just a vibration or light, the relativity of the observer to the vibration/light is the key to defining it as what it is, therefore it isn't sound or visible light without that observer.
💡 https://youtu.be/_w9FF0hZVfU?si=EM3sRRLhv_hCS672
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🦧
If a Tree Falls in the Forest:
“If a tree falls in the forest, does it make a sound?”
One of the most debatable philosophical questions regarding observation and perception.
Many tried to answer it, including the English philosopher John Locke.
So, what’s the meaning behind this simple question about a falling tree?
Let’s unpack it!
From the scientific point of view, questions like this allow us to examine various natural phenomena through observation. In particular, the thought experiment known as “if a tree falls in the forest” explores the concepts of reality and perception. Essentially, it means “does something happen even if no one witnesses it?”
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What’s a scientific answer to “if a tree falls in the forest”?
According to the principles of acoustics, sound is the result of air vibrations transmitted to the human brain through the sensory system. As the tree falls, airwaves appear (you can read more about the phenomenon of sound waves on Tech Target.) So, from the scientific viewpoint, a falling tree objectively produces a sound.
From the scientific point of view, questions like this allow us to examine various natural phenomena through observation. In particular, the thought experiment known as “if a tree falls in the forest” explores the concepts of reality and perception. Essentially, it means “does something happen even if no one witnesses it?”
🦧
What’s a scientific answer to “if a tree falls in the forest”?
According to the principles of acoustics, sound is the result of air vibrations transmitted to the human brain through the sensory system. As the tree falls, airwaves appear (you can read more about the phenomenon of sound waves on Tech Target.) So, from the scientific viewpoint, a falling tree objectively produces a sound.
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What’s the philosophy of “if a tree falls in the forest”?
John Locke attempted to discover what happens if nobody is in the forest when the tree is falling. Does it make a sound in that case? He concluded that any noise should be perceived by a human being. If nobody hears the falling tree, we cannot be 100% sure it produces any sound.
What’s the philosophy of “if a tree falls in the forest”?
John Locke attempted to discover what happens if nobody is in the forest when the tree is falling. Does it make a sound in that case? He concluded that any noise should be perceived by a human being. If nobody hears the falling tree, we cannot be 100% sure it produces any sound.
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How “if a tree falls in the forest” relates to quantum physics?
The idea that someone needs to hear the sound of a falling tree is very reminiscent of quantum physics, according to which phenomena both happen and don’t happen unless there is an observer who perceives a finite result. Feel free to check out Oxford University Press’ article on quantum theory to learn more.
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How “if a tree falls in the forest” relates to quantum physics?
The idea that someone needs to hear the sound of a falling tree is very reminiscent of quantum physics, according to which phenomena both happen and don’t happen unless there is an observer who perceives a finite result. Feel free to check out Oxford University Press’ article on quantum theory to learn more.
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What does Locke say about a tree falling in the forest?
John Locke gives the status of infallible conjecture to the question of whether a tree that falls in the forest makes a sound. Infallible conjecture means that the statement can be neither proved nor disproved. So, if nobody witnessed a falling tree, there is no proof that the sound occurred.
John Locke gives the status of infallible conjecture to the question of whether a tree that falls in the forest makes a sound. Infallible conjecture means that the statement can be neither proved nor disproved. So, if nobody witnessed a falling tree, there is no proof that the sound occurred.
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Which philosopher said “if a tree falls in the forest”?
John Locke was the one who asked a question about a falling tree. This phrase is often mistakenly associated with Berkeley, who said the only things that actually exist are our minds and ideas. Berkeley’s philosophy also deals with perception and experiences.
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Which philosopher said “if a tree falls in the forest”?
John Locke was the one who asked a question about a falling tree. This phrase is often mistakenly associated with Berkeley, who said the only things that actually exist are our minds and ideas. Berkeley’s philosophy also deals with perception and experiences.
🦧
What kind of question is “if a tree falls in the forest”?
This question is an example of a philosophical thought experiment without a simple “yes” or “no” answer. The solution depends on whether you believe phenomena can happen without anyone observing them. Thus, some people think the answer to whether a falling tree makes a sound is negative, others think it’s positive, and some think it’s both at the same time.
Further reading https://custom-writing.org/blog/if-a-tree-falls-in-the-forest
This question is an example of a philosophical thought experiment without a simple “yes” or “no” answer. The solution depends on whether you believe phenomena can happen without anyone observing them. Thus, some people think the answer to whether a falling tree makes a sound is negative, others think it’s positive, and some think it’s both at the same time.
Further reading https://custom-writing.org/blog/if-a-tree-falls-in-the-forest
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