Professor Huw Price:
Physicist Andreas Albrecht quoted that When asked the question, "What is time?", Einstein gave a pragmatic response: "Time," he said, "is what clocks measure and nothing more." Of course Einstein was right "is what clocks measure and nothing more." and in this article we will...
view entire post
Professor Huw Price:
Physicist Andreas Albrecht quoted that When asked the question, "What is time?", Einstein gave a pragmatic response: "Time," he said, "is what clocks measure and nothing more." Of course Einstein was right "is what clocks measure and nothing more." and in this article we will add, What the clock measure
I am going to be as concrete as possible; if you read the article you will realize why it can’t be shorter. Mainly theoretical physicists are the most interested in “the nature of time” and they like to believe the subject is inherent to physicists and you will see it’s no so.
I will follow with an advice of somebody than most physicists in the world respect, Albert Einstein. “The whole of science is nothing more than a refinement of everyday thinking. It is for this reason that the critical thinking of the physicist cannot possibly to be restricted to the examination of the concepts of his own specific field. He cannot proceed without considering critically a much more difficult problem, the problem of analyzing the nature of everyday thinking.
Our psychological experience contains, in colorful succession, sense experiences, memory pictures of them, images, and feelings. In contrast to psychology, physics treats directly only of sense experiences and of the “understanding” of their connection. But even the concept of the “real external world” of everyday thinking rests exclusively of sense impressions” “Ideas and Opinions” Einstein, pg.283 y 284, ISBN Nº 440-04150-150.
I think this should be read slow, understanding each and every word of his thought about mind functioning, some times is as important as mathematics formulas.
To make possible to comprehend this article, first you should believe possible that “The problem of time” can be solve. Second let the mind freer to the understanding of new things, for this, we should say that
“time” has no definition, no empiric meaning, also can’t be sense by any of our senses or by any man designed artifact, nobody can make a description or recognize “time”. To make clearer this article we should keep in mind the last three lines through all the reading.
If was any other word with those characteristics we immediately would say “time does not exist”.
why we don’t say that, because since pre-Socratic Heraclito ,and after Socrates Plato and Aristoteles 2600 or 2300 years ago we are measuring what we call “time” and as physicist Sean Carroll said being quote by Lee Smolin "There is no question that time exists—we use it everyday," If we give this, as a reason of “time” existence. How he can be sure that exist, if he don’t know what it is? The Carroll reason is, that he think he use it every day. Certainly for use, he meant measuring the so called “time”. How he knows that what he is measuring is “time” and no something else? like movement ?
Everybody knows movement, it has definition, empiric meaning. Everything with physical existence moves, from a galaxy to a subatomic particle. Movement origin is very much older and certain that “time”. If the big-bang, happen, there was movement, life is possible because movement, our brain metabolism, which moves, is our mind that consider all movement we know of, that surround us. How we are not going to measure movement? We did it since the beginning of written history, but thinking that we were measuring “time”.
People think that with the clock movement we measure “time” and with it, comparatively we measure every other movement, change and transformation. A clock, to be one should have a “constant”, “uniform” movement, if it is not so, it’s not a clock.
The physical prove that we measure movement with movement consist that with a clock “constant” movement we measure fractions of “constant” earth rotation movement represented by clock dial numbers, as the hour, these are the reasons that this are “movements units” and no “time units”
New duration definition: It is the period of change and transformation that movement allows and men limit.
Then the so called “time” is movement .When we think we are measuring “time” we are not conscious, that in fact we are measuring movement, as we always did, we do and we are going to keep doing it. Knowing this does not change any physic law. We have to remember that classic physics, relativity and quantum mechanics were created, developed and physicist keep working with them with out the need to know of “The nature of time”, but knowing that “time” it is not a mysterious thing, but is movement, a quality or property of everything with physical existence, we know that we can related it to anything of physical existence.
Not only is needed to quantized general relativity to the goal of the “the theory of everything” but we also can understand conclusions of general relativity like “that velocity and gravity slows time” in GPS (imagine an analogical clock) the satellite one slows respect it’s similar on land, why? because the satellite clock inertia, because it’s speed slows clock parts movement, slowing it’s functioning respect the one on land, what slows it is not “time”, but it’s functioning
Gravity slows the clock in the valley respect it’s similar on top of the mountain, because the first one is affected for more gravity than the other, gravity slows clock parts functioning it is not the “time” than slows.
Since Heraclito to Einstein passing through Newton men always ask themselves, What it is time? to reach reality, they should instead ask themselves What we are measuring? And they would find out that was movement. If this is understood I can make this article clearer, showing how movement being part of everything is related with everything.
Time probably is a remnant word which represented a very important concept for men, that mankind forgot it’s meaning as Einstein pre-scientific concepts. Héctor Daniel Gianni
view post as summary