Dear Héctor,

In my opinion, time is expressed in physics as if a time line is a real number line displaying a list of changes in chronological order in a reference phenomenon, as whose each point corresponds an each change in the reference phenomenon within a closed dynamical system.

The sun's motion is the reference phenomenon to measure a change in other phenomenon while comparing with it.

There are too many phenomena in the world, therefore people can find a reference phenomenon to measure a change in other phenomenon while making an approach (theory) that is closer to the reality.

Here, mean thing is human conciseness that is able to measure changes in phenomena.

Human conciseness is a phenomenon of high-level hierarchical system.

The reality of this high-level hierarchical system is hard to understand for human beings themselves.

Instead, the foundation at lower- level hierarchical system such as sub atomic particles and space-time is quite possible to perceive.

Ch.bayarsaikhan

Dear Héctor Daniel Gianni,

Thank you for visiting my essay forum. I have downloaded your essay and will be reading it next week. Good luck to you.

James Putnam

Dear Ch. Bayarsaikhan:

You as all physicist have the right to express their opinions as yours that "time is expressed in physics as if a time line is a real number line" before physicists can do that properly, first you all should know what's time, if not I can ask what's a "time line", if you don´t know what's time? what are you going to answer? I should give an example. How physicists should express fuf-fuf in physics?. Certainly they wouldn't be able to do it? Why?, because they don't know what fuf-fuf is. They had many ingenious ways to "pass over" "time definition and empiric meaning", that's why physics become a science, but none of them in the case of "time" are proper enough.

Einstein treat "time" as if he new what it was. He new that "time" hasn't physic existence and that it was a man creation, but he did not know what he was measuring with the clock. ¡ but just defining it, as "time" is what we measure with the clock??????

All this ways and many others that you should know, are desperate efforts of physicists to replace some way, one of the most basic and important quality or properties of nature, movement because this is part of all changes and transformations in the universe, physicists can't give one step without it. Every theory must include directly or indirectly "time" to have sense. Einstein said "time" reconceptualization is the key step forward in developing relativity". So the "pass over" time definition and empiric meaning made possible that each physicist that make a theory, invent their own definition and empiric meaning like on "the loop quantum gravity theory" or "the string theory" The first

"Time flows not like a river but like the ticking of a clock, with "ticks" that are about as long as the Plank time 10-43 second. Or more precisely, time in our universe flows by the ticking of innumerable clocks". Or the second that just "use "time" as an absolute Newton term". Physicist Stephen Hawking said referring to "time definition and empiric meaning" "when the answer is found, it'll sound as obvious as the fact that the earth goes around the sun." like movement I say.

Finally, just around 50 or 60 years ago passing over "time definition and empiric meaning" wasn't enough, we can be find the conscious need to know "time meaning" just to find the absent "time variable", when physicists try to merge the theory of general relativity with quantum mechanics, into a theory of quantum gravity, using the procedure called canonical quantization. which produces an equation without a "time" variable, literally would mean a frozen universe. Professor Christopher Isham from the London Imperial College in one of the possibilities he offer to explain such disappearance he said, "It is possible that time it is not truly lost but merely hidden among the canonical variables that are constrained by the theorema egregium".

said "To obtain a sensible quantum theory of gravity may require identifying such an internal time prior to quantization".

Knowing that "time" is movement, I would say that is not lost or hidden either. I think is there but not recognized as such, because (the time variable) in fact is a "movement variable", this is the lost variable that it would be described by the 3 spatial dimensions that also describe the "event", plus a "time forth dimension" (called imaginary by Einstein) consistent too with a movement, but a "Constant and Uniform" movement, the clock.

Not knowing what "time" is became a big problem for physics. If I were a physicist I would take this as an opportunity.

My very best whishes

Héctor

Dear Héctor

I agree with you, the time is very deep conception. I appreciate your insightful content for "Time". So, I have to think about it more while taking it into consideration.

If you have other papers, I would like to read them.

I like your words that

...desperate efforts of physicists to replace some way, one of the most basic and important quality or properties of nature, movement because this is part of all changes and transformations in the universe, physicists can't give one step without it...

and also ...

Knowing that "time" is movement, I would say that is not lost or hidden either. I think is there but not recognized as such, because (the time variable) in fact is a "movement variable", this is the lost variable that it would be described by the 3 spatial dimensions that also describe the "event", plus a "time forth dimension" (called imaginary by Einstein) consistent too with a movement, but a "Constant and Uniform" movement, the clock.

I believe that all of your thoughts are correct ...

one of the most basic and important quality or properties of nature, movement because this is part of all changes and transformations in the universe, physicists can't give one step without it.

Ch.Bayarsaikhan

Dear Ch. Bayarsaikhan:

"Time" conception It's so deep, that probably 20 or 30 thousand years ago, our observation capability as men, which is very deep buried in physicists minds, seeming to them too old too primitive thoughts that do not deserve research.

Well I think that "the so called time" which we can prove now is the measuring of "constant and uniform" movement is a simple conclusion that primitive man find through nature observation and realize the equal length period between sunrises, which made a day period length of (day and night) a natural unit of measurement, which in those days man concluded that it was shining as the only thing he knew with equal repetition and as usually he didn't loose the opportunity to count on "days" the duration of trips and many other things he needed to survive. Maybe époque when the duration concept was created, and men used the "day" as a unit of a system which allowed measuring the duration of changes and transformations they needed to know.

Taking this as possible, much later they create the divisions of the "day" unit into parts to increase the precision of the measuring system. Certainly they didn't have the necessary knowledge till now days, to know what in fact they were measuring.

Since at least a couple centuries ago we have the necessary knowledge to know that "time" was the name they gave to the system with which we measure "Constant and uniform movement".

As you ask before I will send you the original work of 23 pages from which I was forced to select 9 for this contest. Forgive me for giving you this advise : Words can express at least as much as physics formulas can, but should be read slow and with imagination, I mean making images in our mind of what we are reading, as much as possible.

With my best whishes

Héctor

    Dear Héctor,

    Time does not claim existence on its own, but only as a "system of measurement" - For me, I totally agree with you, because as you said that "one of the most basic and important quality or properties of nature, movement because this is part of all changes and transformations in the universe, physicists can't give one step without it."

    In other words, time is a "system of measurement" that may be taken as changes in chronological order in a reference phenomenon in a globally closed dynamical system.

    For the relativistic effect called a time dilation, It may be conceived that it occurs due to changing attitude toward the chronological order in a reference phenomenon, which caused by a change attitude of all the phenomena in the closed dynamical system because this time is part of all changes and transformations in the universe, physicists can't give one step without it.

    Therefore, it is correct that "The time empirical meaning: is movement, a quality or property of everything with physical existence" and "Time is a man measurement system of "constant and uniform movement".

    With Best Regards,

    Ch. Bayarsaikhan

    9 days later

    Dear Héctor Gianni,

    Thank you for your comment on my forum. I have in the meantime had a look at your essay and understand you have focused most heavily on the sub-question "How are goals (versus accomplishments) linked to "arrows of time"?", from the list of evaluation criteria. You have specified a number of ways we can perceive and understand time, in many ways similar to the wide ranging book "About Time" by Paul Davies. I do have one question, which I am hoping you might clarify for me, and that is how are goals "linked" to arrows of time in your essay?

    Regards,

    Robert

    Dear Robert Groess:

    Thank you for having a look to my essay, just having a look means you were never really interested in "time". I just came to this contest to contact mostly physicists to let them know "time" definition and empiric meaning not with a viable theory, but with the prove that is a "system of measurement" and with an experimental meaning as "movement" proved showing with all clocks, that with them we measure "constant and uniform" movement and nothing else, as Einstein use to tell physicists when asked What's is "time"?. There is not a "time line" neither past nor future but just present (humanly defined) where also we analyze the past and imagine the future. Physicists said they badly need this knowledge since 50 or 60 years ago. They usually think "the time problem" is theirs; wrong it was involuntarily created by the prehistoric man, when nobody dreams with physics as a scientific discipline.

    With my best whishes

    Héctor

      a month later

      This is for the reading for the contest participants specially physicists. Consists in the most clear description of one of the most important physics foundation which is not natural but an involuntary prehistoric man creation as "time", this was never found before, because they search the meaning of the word, around which people built a never proved fantasy of functions and gave an unreal physical existence to it, at the time they have not the necessary knowledge's to make possible to find definition and empiric meaning. That was why man never knew what they were measuring. Instead what they should do, was to search around "time measurement" the only thing people really knew about "time". Also they had not an imperious need to know its definition, because their need at the time was to reach more and more precision about its measurement, so they had not a real incentive on definition search. Definition need for theoretical physics just start around 60 years ago.

      As I say in my essay "time" does not claim existence on its own but only as a "system of measurement" of course the system is of man creation, that's why has not physic existence. The system measure "movement", "constant and uniform movement", which is its empiric meaning. We had those necessary knowledge's to know about earth rotation since centuries ago, but man millenniums faith about "time" physical existence didn't aloud them to analyze the consequences of the knowledge that the sun was the center of the system and not earth, so they can`t give to earth rotation its play in the day production on earth surface. The fundamental unit the measurement system has, is the day, the period of earth rotation movement, from one sunrise to the next one, this was the period used by man to comparatively measure the durations of things, like trips distance, one day, two days or one sun or, two suns far away. I think this was the way "time" born.

      People measure what they think is "time" with clocks which born copying sun "constant and uniform" movement, now day's we are on the most "constant and uniform" movement, the "earth rotation" one. Earth rotation movement slows 2 milliseconds a day each 100 years. The day is 2 milliseconds longer after 100 years. When Einstein said "time is what we measure with the clock and nothing else" Now we know that with clocks we measure "movement" "constant and uniform" movement.

      With a common analogical clock with an hour a minute and a second hand, each of them go a different speeds, but all of them has a "constant and uniform" movement which is what people call the "time experimental meaning".

      This is an experimental physical prove that with clocks we measure movement, "constant and uniform movement"

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