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Time
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Universes without an organized system of linear time (like ours!) may not allow for the development of life forms that can evolve to the point of being able to ask questions about the nature of time in their specific universe.
The granting of a pardon is an imputation of guilt, and the acceptance a confession of it.
 (August 15, 2015 at 11:04 pm)AFTT47 Wrote:(August 15, 2015 at 10:33 pm)excitedpenguin Wrote: How come it's the "fourth dimension" if it simply measures motion? How does that enter physics since this seems to be so entrenched in human affairs that it doesn't necessarily arise from that that we might use it to describe the way the cosmos works? It just seems like such a funny concept if all we do is compare rates of motion against each other. It sounds more like utter nonsense, on the face of it. I just wish someone would offer me a healthier grasp of it so I could better conceptualize it. RE: Time
August 15, 2015 at 11:16 pm
(This post was last modified: August 15, 2015 at 11:17 pm by Excited Penguin.)
(August 15, 2015 at 11:15 pm)vorlon13 Wrote: Universes without an organized system of linear time (like ours!) may not allow for the development of life forms that can evolve to the point of being able to ask questions about the nature of time in their specific universe. That's a pretty bold claim, all underlying sarcasm aside, or I just don't understand what you mean by an "organized system of linear time" and whether it faithfully describes reality or not. 
QM can survive without time, but if you want to send a rocket to Mars, you need to 'time' the meeting of the rocket and mars.
You make people miserable and there's nothing they can do about it, just like god.
-- Homer Simpson God has no place within these walls, just as facts have no place within organized religion. -- Superintendent Chalmers Science is like a blabbermouth who ruins a movie by telling you how it ends. There are some things we don't want to know. Important things. -- Ned Flanders Once something's been approved by the government, it's no longer immoral. -- The Rev Lovejoy (August 15, 2015 at 11:06 pm)vorlon13 Wrote: Either without time everything would happen all at once, or nothing would happen at all . . .How is that? Can you please define time first, before you give it such deistic qualities as all that? (August 15, 2015 at 11:12 pm)IATIA Wrote: This is the point at which time becomes a problem. If everything did not happen at once then we run into infinite regression. On the other hand, I perceive that I had to strike a key on the keyboard before it would show on the screen.How can motion measuring motion become such a big problem? When I ask you guys what time is, you can't provide me with a good explanation, but when you start to talk about it, suddenly you're all but experts on the subject. Why do we run into infinite regression if everything did not happen at once? Care to explain this point, please? (August 15, 2015 at 11:16 pm)excitedpenguin Wrote:(August 15, 2015 at 11:15 pm)vorlon13 Wrote: Universes without an organized system of linear time (like ours!) may not allow for the development of life forms that can evolve to the point of being able to ask questions about the nature of time in their specific universe. Without causality then everything just is. All realities. An "organized system of linear time" would just be our linear perception of these realities.
You make people miserable and there's nothing they can do about it, just like god.
-- Homer Simpson God has no place within these walls, just as facts have no place within organized religion. -- Superintendent Chalmers Science is like a blabbermouth who ruins a movie by telling you how it ends. There are some things we don't want to know. Important things. -- Ned Flanders Once something's been approved by the government, it's no longer immoral. -- The Rev Lovejoy (August 15, 2015 at 11:18 pm)IATIA Wrote: QM can survive without time, but if you want to send a rocket to Mars, you need to 'time' the meeting of the rocket and mars. That doesn't necessarily imply that we should think of time as an essential part of the way the Universe works. There's quite a lot to explain between how useful a concept appears to be in human affairs and how important it is in nature itself.  (August 15, 2015 at 11:15 pm)excitedpenguin Wrote:(August 15, 2015 at 11:04 pm)AFTT47 Wrote: Think of a street address. If I want to meet you, I need to specify not only a 3-dimensional location but one of a time, also. If the time doesn't match up, we won't see each other. Are you kidding? The same applies to any two objects. If they are to meet, they need to be in the same 3-dimensional space at the same time. If they are a million years apart, they will probably be separated by a large amount of space also, depending on their motion. It's nothing unique to humans at all.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Albert Einstein (August 15, 2015 at 11:23 pm)IATIA Wrote:(August 15, 2015 at 11:16 pm)excitedpenguin Wrote: That's a pretty bold claim, all underlying sarcasm aside, or I just don't understand what you mean by an "organized system of linear time" and whether it faithfully describes reality or not. So, I guess, we just experience the universe as if it were causal, but we don't have any actual reason to believe it really is that way, and we won't either, until we find a way to find out about some truly objective properties of it that are as remote from human bias as possible?
Here we go.
Time does not exist. Everything just is. What we regard as time is just our linear perception of these different realities that is steered by QM which has no need or regard for time and causality.
You make people miserable and there's nothing they can do about it, just like god.
-- Homer Simpson God has no place within these walls, just as facts have no place within organized religion. -- Superintendent Chalmers Science is like a blabbermouth who ruins a movie by telling you how it ends. There are some things we don't want to know. Important things. -- Ned Flanders Once something's been approved by the government, it's no longer immoral. -- The Rev Lovejoy |
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