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It's funny that everyone answered the question in terms of physics, even though people were pretty good at answering this question before the standard model appeared. Since the question is asked in general terms, I would like to quote the words of Amiel, described by Tolstoy in his latest book:
“Time is only a device by which we gradually see what is really there and what is always there… The eye does not see the ball all at once, although the ball exists all at once. In order for the eye to see the ball, the ball must rotate in front of the eye that is looking at it. So the world unfolds, or seems to unfold before the eyes of people in time. ..there is no time: what will happen, that is. Time and space are the crumbling of the infinite for the use of finite beings.”
In other words, a person did not invent time, a person appeared in it and exists, and without it he does not think of himself. There is time for a man, but not for a stone.
Time was invented by man for convenience if it existed in nature, then it would be possible to return it. Time was invented by a person so that you can tell the speed, when to get up, how quickly you did it, how long it lasts, etc. Without the concept of “time” it is impossible to say this. In nature, time does not pass. There is one thing about nature that never changes. But the speed is different, something was before something later so that you can say it the person came up with the time.
There is no doubt that there is time. The question is more whether it is a functional concept, or an independent entity? Let's say the color is functional, because it is only our response to the wavelength. Most likely, there is no such sui generis phenomenon that can be called time
Time is a region of space, but we do not have access to free movement in it, and we all move in it without interruptions and in the same direction. Time is a real physical object, no one invented it.
In fact, it is quite difficult to answer this question unequivocally.
What do we mean by time? What is time? Change and flow of processes in the universe or subjective perception of them?
Personally, I believe that time as a certain natural entity simply does not exist, but there are different perceptions and reference systems for the processes that occur, which is commonly called time.
Depending on the state of the human brain, a person can perceive time differently. So, for example, as far as I know, marijuana can slow down or vice versa accelerate the perception of time for a person.
During clinical death, when a person feels that he is “leaving the body”, his perception of time can also change dramatically (but some eyewitnesses even stated that time “disappeared” for them at this moment, which, perhaps, could be called a kind of disorientation in time).
But according to the theory of relativity, for you, who found yourself, for example, in another galaxy, it may take only a couple of days, but when you get back to Earth, it would already be tens, or even hundreds or thousands of years. And so, you return to your home planet young, but the world is no longer the same for you: all your friends have either grown old or died. Everything was different. You are now homeless and unemployed. No one will recognize you.
How likely this is is another matter.
With respect.
Time is a person's way of describing everything around them. Any moment in “time” (Second, Minute, Millennium)”it's an instant, and the instant tends to zero. Man coined the term “time”for convenience, because we remember information in a certain order, everything happens in a certain order, to describe it and remember it without time anywhere. This is relevant as long as the person is in the body, alive. Leaving the body, the “soul” no longer requires the term “time” and it becomes irrelevant. There is only matter, space and their interaction. This is purely my opinion, which is based on various guesses, read articles, etc.
Time exists as a physical variable, no less real than space. In particular, without it as the fourth dimension, the theory of relativity will lose its meaning. The question is rather in the nature of time and its perception by people: for example, why we remember the past, but do not remember the future, why time moves strictly in one direction, while in space there are different directions.
If I'm not mistaken, the theoretical physicist Feynman believed that only for living beings time is unidirectional, and matter is able to move freely in it, which explains the phenomenon of antimatter. Thus, the positron (the antiparticle of an electron) can only be the same electron, moving not forward, but backward in time. I recommend reading Michio Kaku's Physics of the Impossible.
Man invented the clock. And time existed and exists without his participation. A person is not able to influence it. Wonderful lines in the Remark on this issue: “Here it is, my paper romantic! The infernal machine. Ticking, ticking uncontrollably, rushing towards oblivion. You can stop an avalanche, a mountain slide, but you can't stop this thing. For a human, this is unbearable. A person just can't stand it. And that's why he came up with a dream. An ancient, touching, hopeless dream of eternity.”
Time is a defining property of space, reflecting its very essence-the possibility of changes. Since in any space, even in an empty one, changes are possible, it means that there is time in it.
Another thing is that perhaps changes occur in their own specific sequence (i.e., time “flows”) only in the perception of beings endowed with self-consciousness, and in reality everything can be completely different. But this can only be assumed, because we cannot know what is happening outside the capabilities of our cognitive apparatus.
The so-called “Time” is an abstract concept that denotes the course of events in the order in which we remember them. So yes, it exists as a concept describing the phenomenon of memory functioning; and yes, it was invented by man.
This is rather an error in the question. “Time” is not a magic lamp or lightsaber, that is, not an object that can be touched/not found in the world, and declare with absolute certainty about existence.
Time is a property of space, such as the distance you travel to the subway in the morning. For example, from your house to the metro station 2 km. You travel 2km in space. Does the distance exist as an object? No. This is a property that is set to the relative value of the measurement.
Also for time. Only time is a consequence of the change in space, and distance is a consequence of the existence of space.
From the point of view of Greek mythology, time is…. and this is Chronos.Chronos, one of the three primordial beings, created fire, pneuma, and water from his seed.�According to one description, Chaos gave rise to the oldest thing in our nascent universe — Time. The Hellenes called him Chronos. And now everything was happening in time, since space was still just beginning. Chronos created three elements-Fire, Air, and Water. But this is after the Earth appeared. It follows that there is time!
And I would understand the author's” convenient ” as “subject-practical”. You need time to fix the changes. Objects live exactly in space-time, and you can't go back and forth in time as in space. But where does time itself live? If it is a phenomenon, then how to feel it, and if it is a nomen, then what does it mean exists? It is also possible to think about time in a practical way for forecasts, plans, and projects as rationing. But time is not equal to causation, so the action can be measured by the action itself. For example, my step lasts until the foot feels the floor again, or as our ancestors did according to the degree of sunlight(do not ask what was in the fog or oblochnosti 🙂 ).
Thus, it can be argued that the change can be normalized by other changes. For example, I wrote this answer in one cup of tea/ one cigarette/ 365 typed characters.
There is a phrase “perception of time”, but, again, the question is do we perceive time (feel, feel?) or, for example, is our consciousness just used to hours with seconds, minutes and creates the illusion of a sense of time?
Using time as a universal ruler is very practical and already familiar, but is it possible to feel it, can it exist phenomenologically? Or is it only thought of by subjects as a universal ruler of measurement?
As an immodest social worker, I would say that it is not time that passes, but a person is still walking, and the person and his biochemistry are doing it in his head, and the tick-tock on the clock is used to record and correlate the actions of a person. Accordingly, each person, each practice, each science uses time as it is convenient for them or subject-practical-according to the tasks set 🙂
Attempts to prove the unreality of time (which, for example, were made by J. R. R. Tolkien). McTaggart) lead to unavoidable contradictions. What would the unreality of time mean for our everyday experience? If there is no time, does this mean that you can eat the salad first and then cook it? If there is no time, does it mean that it is absolutely impossible to be late for anything?
Time exists. But in what way? It can hardly be said that the time was invented “for convenience”. For convenience, a traffic light was invented, but we can imagine that one day humanity will decide to abandon traffic lights in favor of something more convenient. Can we imagine that people will suddenly come to an agreement and there will be no time?
Man did not invent time, but we do not find time among things. “Time,” notes I. Kant, ” is not an empirical concept derived from any experience.” Time logically precedes our experience, is, in Kant's words, an a priori form of sensibility, a necessary representation underlying “all intuitions.” What does it mean? Let's do a simple thought experiment. Imagine that a cup of coffee falls off the table and breaks. Now let's try to imagine this event outside of time. We won't succeed.
In this way, we find that time is something that structures our experience, rather than something that was invented “for convenience”.
Time is a human-made unit of measurement. Just like distance, directions, width and depth, etc., does it mean that objectively all of this is not there? Of course it doesn't.
This question could be answered with” I don't know “and” yes ” at the same time. Yes, time was “invented” by a person, so to speak. In this case, we can talk about the subjective time of a person. Our perception of time is a product of the integration of multi-modal stimuli from sensory systems (visual, auditory, etc.) and other structures that support internal biological rhythms (for example, circadian rhythms provided by the hypothalamus). The perception of the speed of time passing by consciousness changes depending on the saturation of events and the type of activity. Hypothetically, if we develop this topic, we can assume that all events in our experience that are no longer relevant to consciousness, but live in the unconscious, exist simultaneously. Roughly speaking, in psychic life, the sequence of events perceived by consciousness as time “collapses” and becomes static instead of unfolded in time. In order to update the experience, for example, to try to remember it consistently, we use language tools: we remember the time, date, or associate events and our own states. But this is a separate topic.
If we talk about time outside the context of human perception, then I do not know. There is no convincing evidence that we are “not in the matrix”, or that our reality exists at all (May Descartes forgive me in this quantum age). What can we say about time?
I like to listen to people who say “time is an abstract concept” certainly not without it, well, here's the fact that all our speech and thought process is also a level of abstraction, for some reason it is silent “I'm not a troll or a hater just want to clarify something in terms of concepts”.One can of course talk endlessly about the recursion of an abstraction within an abstraction �and ultimately never arrive at objectivity for t=∞, but this will do nothing .In my opinion, time is a subjective perception of the propagation of an electromagnetic wave.It interacts directly with matter and is localized by us.Only in this way can something be noticed, compared, and comprehended, a direct consequence of the relativity of all that exists, otherwise there would be eternal statics. If we take it as a postulate that time slows down exponentially when reaching abnormally high �speeds, then when достижении reaches the speed of light, time will be zero.And this means that the photon emitted at the early stage of the universe and the one that now enters the layers of our atmosphere are the same photon in time� �, to pass any segment of space, be it the Planck size, it takes t,well, the photon t = 0 ,so people who shout about the speed of light 300 thousand km per second ,you need to specify, what do they mean by the speed of light that the subject is trying to comprehend or the true speed without subjective interpretation, then most likely the universe is flat like a projector, and t=0 photons-this is the lumen of the moment now ,and light is something like a frame scan in the TV or the refresh rate of your image on the monitor, it must be fast )If your computer could think, it would perceive the frame rate (also known as the screen refresh rate) in time, because for it-this would be a clue that would make a relative comparison in some sense light creates time . in the furnace of physics, just this moment can say that time is probably a relative concept like everything else .Relativity is deeper than it seems ,it can be identified with the primordial knowledge from where everything originates, because any knowledge is the relativity of one to another by exclusion or comparison, you can imagine that you are rummaging in a box with an infinite number of cubes, and you are trying to find the most correct shape, well, no matter how much you look, there will always be a more correct cube .I may not have come up with the best example ,but the meaning is clear .So here are the cubes- these are people's mental illusions and every time they think that they know, well, time passes and knowledge comes that destroys past illusions and they are at a loss how they could be so mistaken, well, this is a completely different story, I do not know which cube is correct about time ,well, mine is still like this .Most likely, temporal-spatial development occurs even at the “stage of fetal development in the womb, and receives even more extensive development in the early” periods of life .In a sense ,the brain is really a computing machine, which we will not be able to comprehend soon, because 99.9%of functions are simply from us blocked, apparently, so as not to harm yourself .And the acceleration of life over time is nothing more than the acceleration of the brain's perception of the same processes, trodden by neural networks a huge number of times ,and since the main principle says everything moves along the path of least resistance, the brain simply does not let the impulses go more to other synapses and this eventually leads to the death of unnecessary and what has been left
This is yes, an auxiliary method of thinking, since Time is the source and basis of space (an auxiliary source of second-order thinking). Time is a magical carbuncle, the distortion of emanations in which leads to the illusion of the dimensionality of space. Now (present moment)”That's where it's all visible space. �And Time is (at the same time) the main ugly concept. Eternity, which it represents, is the main meaning as “from the point of view of eternity” it was considered since ancient times.
But Time is also a tool for enslaving beings, the foundation of a prison of technology, in which everyone is stuck up to their ears, including the intermediate layers who have organized slavery for their own needs.�
Some of these guesses continue to evolve, some will probably be discarded and some will freeze and become a support for the next ones.
Time from a physical point of view is most likely an abstraction to simplify understanding, but not a part of the material world. Processes and energy are what everything comes from. In addition, if time existed, then (theoretically) it would not slow down or accelerate in different environmental conditions. Atomic clocks are based on a physical process, the period of oscillation of the caesium-133 atom. The twin paradox, difficulties in synchronizing GPS satellites, astronauts “from the future” – Google it all. Time travel is impossible, because time as a physical something – a field of elementary particles or something else-does not exist. This means that the past or future is not stored anywhere exactly up to every point in space and the position of every elementary particle. The astronauts wouldn't be with us right now if time existed. But they're here. Because of the specific energy conditions (gravity in this case), they just lost their clock.�
But these are just my guesses, an untested hypothesis, a conclusion from proven theories and facts.
Time, of course, exists. It was invented not by man, but by God. And He also gave people the heavenly bodies, by the movement of which we can measure time. The Earth counts down the hours and minutes in its motion, the Moon counts down the days and months, the Sun counts down the years, Jupiter counts down the twelve – year cycles, Saturn counts down the thirty – year cycles. The whole sky is a big clock with different hands. This watch shows what to do at the moment, and what to avoid, and if a person has learned to live in harmony with time and respect the natural rhythm of the universe, then his life will develop as favorably as possible.
In the Vedas, it is said that time is the gaze of God, which sets material nature in motion. The energy of time triggers the mechanisms of material nature and allows us, sentient beings, to act in this world and reap the fruits of our activities (karma). Thanks to time, the fruits of our activities ripen. Just as a tree bears fruit in a certain season, so our karma bears fruit to us in certain periods of time. Therefore, there are happy days or years when good luck smiles on us, and there are unhappy periods when troubles come to us one after another. The universal clock above our heads dispassionately indicates when the good and bad fruits of our actions will ripen.
You asked a question that is formulated in layman's categories (“invented for your convenience — – �like an electric razor? and “exists” — in what sense? here you exist? will you still exist in 150 years? And time will also disappear?”), and you most likely expect the answer in the scientific categories (“arrow of time”, “increasing entropy”, “fourth dimension”- that's all). Well, it doesn't happen that way.
A slightly simpler answer. Previously, it was believed that we live in three-dimensional space. This means that in order to describe the coordinates of an object, we need to name three variables – its location by length, width, and height. However, in reality, different objects can occupy the same point in space at different times, which is absurd without the time factor. Thus, it became clear that our space is four-dimensional – in order to determine the position of an object, you need to know not only three geometric parameters, but also a moment in time. This means that time cannot but exist objectively in our world.
In modern physics, information is included among the fundamental categories – a concept that reflects structural changes in the state of an object. Time is related to the amount of information, i.e., the number of changes. If you imagine a world in which nothing happens, then there is neither information nor time. It doesn't matter when you look into such a world – everything is always the same in it.
So, for example, subjective time is estimated by the number of reactions of the nervous system to certain events – that is, through the same changes in states. Everyone knows that a day can go on indefinitely, or it can fly by unnoticed. But for someone who had spent the entire day in the same room, time passed at a very different rate.
So time is a physical, informational, and philosophical category. “For convenience”, only discrete measures of time were invented – from seconds to centuries.