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When we stop, do nothing, and listen quietly to the ticking of the clock, we feel the passage of time. Time is both familiar and unfamiliar to us, we inhabit time all the time, but we can't see through the truth of time.
For thousands of years, countless philosophers have pondered about time. Some people believe that time is just a subjective feeling of human beings, not a real existence. Einstein and Newton had their own explanations for this question, but many people in the world did not want to believe it.
A different view of time
Time is an abstract concept, and many philosophers in history have thought about it. According to Plato, the world is composed of an objective "world of ideas" and a "world of phenomena" perceived by man.
The "world of ideas" is eternal and real, does not exist in the changing reality, and the Creator has created a "dynamic likeness" for the "world of ideas", that is, "time". The "phenomenal world" that people perceive is an image that is perceived through the passing of "time".
Newton believed that there is a mathematical concept of "absolute time" in the world, which passes evenly according to its inherent properties, with no beginning and no end. Everything has a specific place in space, existing at a certain moment in time.
No matter how a person or thing moves, no matter what the speed is, time moves at the same speed and is not changed by external influences. If matter doesn't exist, time still exists.
After Einstein proposed the "theory of relativity", the world has a new understanding of time. In the special theory of relativity, time and space are linked, and the flow rate of time changes due to changes in the speed of matter. Time is no longer independent of each other, but affects each other.
The faster an object moves, the slower time becomes for it. In the general theory of relativity, Einstein also took into account the influence of gravity, which can affect the flow of time like velocity.
When an object is moving at the speed of light, the time it experiences is stationary relative to a stationary observer. According to this theory, if the speed of an object exceeds the speed of light, the object can go back in time.
However, there is an important premise in the theory of relativity, that is, the speed of light is constant, and the speed of motion of any object cannot exceed the speed of light. That is, it is impossible to travel through time and space.
Awareness of time
Einstein's theories have subverted the previous view of time and space, and also subverted people's intuition. What appears to be a homogeneous and flat space-time at the macro level has ebbs and flows at the micro level.
Under Einstein's theory, time will be different in the motion of different objects, and there is no "absolute time" in the universe. Time and space are intertwined and inseparable, and under certain conditions, time can be distorted.
Therefore, Einstein believed that time is just an illusion in the human mind, not an objective existence, but this has not been accepted by the world.
The four seasons flow, the vicissitudes of life, the flowers bloomed, and the changes of everything prove that time has passed. Since the birth of human civilization, human beings have guided production and life by perceiving changes in time.
For thousands of years, people have lived according to an inherent concept of time. Whether it is bitter or sweet, whether it is vigorous or plain and stable, it belongs to the time you have experienced, not the cold concept of physics.
Time is of practical significance to everyone, and it is impossible for people to live without the perception of time. It is precisely because of this that people are more willing to accept Newton's view of time than the truth of time in Einstein's theory.
Time-perceptual experiments
What happens if people lose their sense of time? In order to understand this question, NASA conducted a time perception experiment in 1989.
Scientists recruited a 27-year-old Italian woman named Flini to volunteer and live in a cave 9 meters underground for 210 days, during which time scientists record data about her body to determine the effects of the experiment.
The cave has multiple rooms with plenty of food and a variety of recreational facilities to meet all the necessities of life. The only thing that is different from the outside world is that there is no clock in the room and anything that can sense the time.
Fliney was in good physical condition and became a NASA volunteer after passing the selection process. With a wide range of hobbies and strong self-discipline, Flini was confident that she would complete the experiment before entering the cave.
In the first few days of the experiment, Flini was in good shape, eating on time every day, exercising, reading, and maintaining more than 8 hours of sleep.
However, by the second month of the experiment, Flinny's condition was not normal. Her biological clock was completely chaotic, eating only when she felt hungry, sleeping when she was sleepy, sometimes not sleeping for a whole day, and sometimes sleeping for more than 20 hours at a time.
Frinie's pre-established reading and fitness program was also unable to be completed because of mental numbness. By the time the experiment had been going on for more than 100 days, Flinny's spirit was on the verge of collapse, his body was emaciated, and his spirit was so exhausted that the scientists had to call for terminating the experiment.
Flinny lived in the cave for 130 days, but Flinny felt like he had only been in the cave for about two months. The whole experiment shows that time is very important for people's lives, and even if it is impossible to accurately perceive the passage of time, time still affects the order of people's lives.
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The theory of relativity is correct, but there is more to life than cold physics. Time is extremely important for everyone, it gives too much meaning to life, no matter which concept of time people agree with, they must base themselves on reality and walk their own life.
Shaohua is easy to pass away, and the face is easy to age. For each of us ordinary people, it is not necessary to pursue the truth of time like Einstein, but to grasp every moment of life and live in a beautiful moment.
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