AI and the singularity

How do you know what happens to physics when no-one is looking? Example: "If a tree falls in a forest, and no-one is around to hear it, does it make a sound?"
 
Just a question, but should one be in London, England, and place an object representing Earth ten paces from an object representing the Sun, on that scale, how far is the nearest star...?
 
river said:
Then why bring in an observer into the equation ?
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The term observer in special relativity refers most commonly to an inertial reference frame. In such cases an inertial reference frame may be called an "inertial observer" to avoid ambiguity. Note that these uses differ significantly from the ordinary English meaning of "observer".
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Reference frames are inherently nonlocal constructs, covering all of space and time or a nontrivial part of it; thus it does not make sense to speak of an observer (in the special relativistic sense) having a location, except for denoting the origin of his reference frame. Also, an inertial observer cannot accelerate at a later time, nor can an accelerating observer stop accelerating.
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https://en.wikipedia.org/wiki/Observer_(physics)
 
TheFrogger said:
How do you know what happens to physics when no-one is looking? Example: "If a tree falls in a forest, and no-one is around to hear it, does it make a sound?"
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False question. Question should be; "does it create a wave function"?
 
river said:
The action of the observer upon the wave .
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No, it's just an observable event. You're assigning mystical properties to "observation".

Just visualize (observe?) how human vision works. It only creates a "best guess", of what we are looking at, in our brains. And that is due to only to that tiny portion of the wave which strikes and collapses on our retina and is further processed by the microtubules in the brain neurons. (Orch-OR)
https://en.wikipedia.org/wiki/Microtubule
 
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You mean a sound wave? Interesting! Could be, could be. But what could cause someone to forget such a sound wave, or would you argue that they can still remember it? :)
 
river said:
Thought influences the wave .
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Subjectively yes. We make "best guesses" of what we observe. Objectively, when our brains guess wrong, nothing changes in reality.
Optical illusions clearly demonstrate this. Our brain is an organic computer and limited in the amount and type of information it can process.
upload_2019-5-7_13-37-5.jpeg..................
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Try to see A and B as the same color. You cannot do it.......Here is the proof A and B are the same color.

A perfect example of the brain's inability to guess the right color.
 
Write4U said:
Subjectively yes. We make "best guesses" of what we observe. Objectively, when our brains guess wrong, nothing changes in reality.
Optical illusions clearly demonstrate this. Our brain is an organic computer and limited in the amount and type of information it can process.
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images

Try to see A and B as the same color. Yo cannot do it. Here is the proof A and B are the same color.

A perfect example of the brain's inability to guess the right color.
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But in Nature colours are what they are , cones in our eyes are not based on an illusion .
 
TheFrogger said:
You mean a sound wave? Interesting! Could be, could be. But what could cause someone to forget such a sound wave, or would you argue that they can still remember it? :)
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Sure, there are people with perfect pitch, who can vocally duplicate the exact note without listening. OTOH, there are people who can listen to a sound and are unable to even come close. They are tone-deaf, their brains lack the right conformation to duplicate the precise wavelength.
 
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