The time direction is fully inariant under TR :(i blame blame wrote:Yes.Cerveny wrote: Do you believe the Universe was more ordered in its begining then it is ordered now?
Would you care to explain why you think this to be so?Cerveny wrote:BTW any time arrow is in conflict with TR :(
Why we can not see the future?
Re: Why we can not see the future?
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i blame blame
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Re: Why we can not see the future?
The general solutions of the Einstein field equations may not deal with time -symmetry violations. There are even solutions to them that violate causality. However, no one claims that all possible solutions to the equations must be physical.Cerveny wrote: The time direction is fully inariant under TR
Re: Why we can not see the future?
It seems that there is only one real reason - the future does not exist (yet):(
Re: Why we can not see the future?
But what does that even mean? The future does not exist (yet). The past does not exist (any longer). But it's not like what happened yesterday didn't happen or like what will happen in the futere won't happen.Cerveny wrote:It seems that there is only one real reason - the future does not exist (yet):(
Is it not more reasonable to conclude that it's "now" that does not exist?
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chaz wyman
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Re: Why we can not see the future?
I think the problem is how see time. We use the metaphor of a linear sequence as if it were a road, with a beginning and moving forward to a possible end.Cerveny wrote:I wonder which of physical law or expression/equation is responsible for it (for we can see only historical part of "space-time")... Why the light cannot go against the time axis?Arising_uk wrote:What do you mean?Cerveny wrote:On the sky (for example). Any idea?
Trouble with that is that when we use a road we have a common understanding that we can go in either direction, slow down or retrace our steps; or that we know where we are going.
This is a poor metaphor.
Why can't light go against the time axis??? There is no such thing.
There is and never was such a thing as a future. the future is a perpetual state of yet to be. Why can't you see it- because it is invisible - not the sort of thing for which this question makes any sense -literally. You might as well ask what does blue smell like.
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i blame blame
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Re: Why we can not see the future?
But the past doesn't exist anymore.Cerveny wrote:It seems that there is only one real reason - the future does not exist (yet):(
Because of thermodynamics information about the past can be stored.
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chaz wyman
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Re: Why we can not see the future?
Information is not a natural category. It makes no sense to talk of information in this context. it seems to becoming a more common feature of "science". But it is nothing but a metaphysical concept being attached to a physical phenomenon. No good will come of it.i blame blame wrote:But the past doesn't exist anymore.Cerveny wrote:It seems that there is only one real reason - the future does not exist (yet):(
Because of thermodynamics information about the past can be stored.
Re: Why we can not see the future?
To it be clear enough: time-space does not exist :(Cerveny wrote:It seems that there is only one real reason - the future does not exist (yet):(
Re: Why we can not see the future?
Suppose there is a bottle with separated black and white beads. Such system bears some information, some order related with physical instability no matter what context is used ... In any case there is necessary certain work to create it. I suggest dealing with such kind of work as imaginary work :)chaz wyman wrote:Information is not a natural category. It makes no sense to talk of information in this context. it seems to becoming a more common feature of "science". But it is nothing but a metaphysical concept being attached to a physical phenomenon. No good will come of it.i blame blame wrote:But the past doesn't exist anymore.Cerveny wrote:It seems that there is only one real reason - the future does not exist (yet):(
Because of thermodynamics information about the past can be stored.
Re: Why we can not see the future?
Whose WE?Why we can not see the future?
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i blame blame
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Re: Why we can not see the future?
YOU do not exist.Cerveny wrote:To it be clear enough: time-space does not exist
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chaz wyman
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Re: Why we can not see the future?
A handful of sand contains different sizes of grain. One might want to divide up the quantity into two heaps; one contains the smallest grains, whilst the other contains the larger grains. The decision as to which size marks the boundary between small and large could be arbitrary, or you could engineer the criterion on a result which guarantees both samples have either the same number of grains OR to ensure the heaps weigh the same. Alternatively you could reject the idea of size and go for weight, and decide any other set of criteria; shape colour etc.. When you have done that you could decide that you actually want 3 heaps or 27 heaps. Then you might drop some sand or choose another handful. The earth abides our hybris passively.Cerveny wrote:Suppose there is a bottle with separated black and white beads. Such system bears some information, some order related with physical instability no matter what context is used ... In any case there is necessary certain work to create it. I suggest dealing with such kind of work as imaginary workchaz wyman wrote: Information is not a natural category. It makes no sense to talk of information in this context. it seems to becoming a more common feature of "science". But it is nothing but a metaphysical concept being attached to a physical phenomenon. No good will come of it.![]()
Where is the information in all of this???
Surely it is nothing more that human conceit? The information does not lie in the sand, but in the human conception of it. Thus the "information" is not IN the universe but in our minds. We would always do well to remind ourselves of this simple fact.
Re: Why we can not see the future?
If we or the time mixes mentioned black and white beads no physical parameter will be changed but the entropy. It perhaps provides some kind of information about the status of such system...chaz wyman wrote:A handful of sand contains different sizes of grain. One might want to divide up the quantity into two heaps; one contains the smallest grains, whilst the other contains the larger grains. The decision as to which size marks the boundary between small and large could be arbitrary, or you could engineer the criterion on a result which guarantees both samples have either the same number of grains OR to ensure the heaps weigh the same. Alternatively you could reject the idea of size and go for weight, and decide any other set of criteria; shape colour etc.. When you have done that you could decide that you actually want 3 heaps or 27 heaps. Then you might drop some sand or choose another handful. The earth abides our hybris passively.Cerveny wrote:
Suppose there is a bottle with separated black and white beads. Such system bears some information, some order related with physical instability no matter what context is used ... In any case there is necessary certain work to create it. I suggest dealing with such kind of work as imaginary work![]()
Where is the information in all of this???
Surely it is nothing more that human conceit? The information does not lie in the sand, but in the human conception of it. Thus the "information" is not IN the universe but in our minds. We would always do well to remind ourselves of this simple fact.
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chaz wyman
- Posts: 5304
- Joined: Fri Mar 12, 2010 7:31 pm
Re: Why we can not see the future?
Cerveny wrote:If we or the time mixes mentioned black and white beads no physical parameter will be changed but the entropy. It perhaps provides some kind of information about the status of such system...chaz wyman wrote:A handful of sand contains different sizes of grain. One might want to divide up the quantity into two heaps; one contains the smallest grains, whilst the other contains the larger grains. The decision as to which size marks the boundary between small and large could be arbitrary, or you could engineer the criterion on a result which guarantees both samples have either the same number of grains OR to ensure the heaps weigh the same. Alternatively you could reject the idea of size and go for weight, and decide any other set of criteria; shape colour etc.. When you have done that you could decide that you actually want 3 heaps or 27 heaps. Then you might drop some sand or choose another handful. The earth abides our hybris passively.Cerveny wrote:
Suppose there is a bottle with separated black and white beads. Such system bears some information, some order related with physical instability no matter what context is used ... In any case there is necessary certain work to create it. I suggest dealing with such kind of work as imaginary work![]()
Where is the information in all of this???
Surely it is nothing more that human conceit? The information does not lie in the sand, but in the human conception of it. Thus the "information" is not IN the universe but in our minds. We would always do well to remind ourselves of this simple fact.
I'm guessing that you did not actually read what I wrote. Never mind.
Re: Why we can not see the future?
I have read it carefully of course, but i know such opinion.... the question is whether any physical parameter is changed after mixing or whether such mixing could change the entropy of mentioned system?chaz wyman wrote:I'm guessing that you did not actually read what I wrote. Never mind.