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If you have to give a quantitative definition of space, then there is only one. As for the three-dimensional and four-dimensional that you are talking about, it is just a tool that we use to describe our space, just like the term "time", it is a tool for human beings to describe the state of motion of matter, similar to the unit of meter.
If you know that there is analytic philosophy in philosophy, it will be easy to understand that when we ask a question, we should not immediately ask it, but analyze whether the question itself is correct, whether the words in the question are expressed correctly. When you combine the four dimensions and space into one word, have you ever thought about what is the four dimensions and what is space, and can you use the four dimensions to define the word space? What is existence?
Does it exist in the objective world or is it a tool that we humans use to understand the world?
Mine is: our cosmic space is only one, and the multidimensional space is that we describe this space with several interrelated variables.
When we see the world with our eyes, we intuitively determine the spatial position of an object at a certain point with three parameters, just three-dimensional; If the position of the object is a variable, in order to describe the displacement of the object, then we should also introduce the fourth parameter, time, which is four-dimensional; If the size of the object is a variable, we also introduce something like length, width, height, or more. In fact, the four-dimensional, five-dimensional and even more dimensions are just things in the mathematical formula, the four-dimensional is the formula with four parameters, the five-dimensional is the formula with five parameters, and so on the six-dimensional and seven-dimensional can be imagined.
If these parameters follow a certain law, we can summarize this law into a formula, and we can understand that we can understand the world with a multi-dimensional mind by describing the object of this space with a formula with several variables, and we can understand that we understand the world with multi-dimensional thoughts, and we see multi-dimensional space.
The more dimensions there are, the more accurate our description of the world will be.
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Multidimensional space is a kind of 4-dimensional space that cannot be described by the 4-dimensional space we are in now, just like our eyes are long in front of us, we can only perceive a certain range, and we can't imagine what it is like to have a 360-degree panorama when we are out of the body. There is a foreign ** on the Internet, which simply explains the concept of multi-dimensional space with lines, which can be searched.
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The zero dimension is the point, the line (one dimension) is the motion of the point (the point composition), the surface (the two dimension) is the motion of the line, the multi-dimensional space is in front of it, and the n components (motion) of any one dimension can be skipped. A cube can also be expressed as a composition of n points.
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According to our current understanding of the universe, the universe is a four-dimensional space-time, which is composed of three-dimensional space and a separate time dimension. With the gradual deepening of the study of the universe, people have found that the universe is far more complex than imagined, so more and more people are beginning to doubt that in the universe in addition to the three-dimensional space we are familiar with, there are other unknown spaces, therefore, scientists have put forward some theories about multidimensional space.
Among them, the "superstring theory" believes that there are 10 dimensions in the universe, including time, but 6 of them are curled up under the "Planck length" (the so-called "Planck length" refers to the smallest unit of distance in the physical sense, about equal to the meter, which is about 1/100 trillion of the diameter of a proton).
After that, the "M theory" added a new dimension, which included all dimensions of the "superstring theory" except time. The theory holds that the cosmic space we live in is only one of many "cosmic membranes" in this newly proposed dimension, that is, there are many other three-dimensional spaces outside of the three-dimensional space we are in, and under normal circumstances, these spaces do not affect each other.
Does the multidimensional space described in these theories really exist? The current scientific community has not yet given a final conclusion on this issue, but many scientists believe that multidimensional space may really exist, because in the past research work, scientists have found some suspected evidence of multidimensional space.
According to the above theory, we can see that there is a possibility of multidimensional space at the micro level and at the macro level, so let's first take a look at the suspected evidence found by scientists at the micro level.
Lisa, a physicist at Harvard University. Randall (once did an experiment on nuclear fission in the laboratory, and in the course of this experiment, she accidentally discovered that some particles had disappeared out of thin air. According to Lisa.
According to Randall, these particles have neither left energy nor transformed into other substances, and they have "disappeared inexplicably".
Scientists believe that these particles are likely not to disappear out of thin air, but to enter another hidden dimension that is actually all around us, but is too small for us to observe.
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exists, because I feel that there are aliens living in a higher dimension than we are.
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I think there are multidimensional spaces, and according to the existing arguments, for example, ants at the point of space in a paper cylinder, it is impossible to peek into other multidimensional spaces.
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In my opinion, I think that multidimensional space exists, because the events we are in are three-dimensional worlds, and the things we create exist in two-dimensional worlds, so can we assume that there are four-dimensional worlds above us, of course, all this is pure inference, we still have to believe in science.
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Maybe multidimensional space really exists? Scientists suspect that finding evidence may unlock high-dimensional secrets.
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"Dimension" is a measure in which time and space are connected to each other on the three-dimensional spatial coordinates, which constitutes a four-dimensional space-time. Now the theory of scientists is that the entire universe is 11 dimensions, but human understanding can only understand the dimension, to use an analogy: an intelligent creature lives around us, but can only understand the second dimension, then it is in the two-dimensional world?
But around them, we clearly think that they are three-dimensional, that both sides are intelligent beings, who is right and who is wrong??
V: There is no length, width or height, just a point, such as a singularity.
One-dimensional only in length.
Two-dimensional flat world, only length and width.
Three-dimensional length, width and height Three-dimensional world The world we perceive and see with the naked eye Three-dimensional space is the space where the position of a point is determined by three coordinates. The objectively existing real space is three-dimensional space, with three measures: length, width, and height. The concept of multi-dimensional space introduced in mathematics, physics and other disciplines is a scientific abstraction based on three-dimensional space.
The Concept of Four-Dimensional One Space-Time Most of the "four-dimensional space" mentioned in daily life refers to the concept of "four-dimensional space-time" mentioned by Albert Einstein in his "General Theory of Relativity" and "Special Theory of Relativity". Our universe is made up of time and space. The relationship between time and space is that a time axis is added to the structure of space compared with the three axes of length, width and height of ordinary three-dimensional space, and this time axis is an axis of imaginary values.
According to Albert Einstein's theory of relativity, the three-dimensional space we face in our lives plus time constitutes the so-called four-dimensional space.
One dimension is a line, two dimensions are a surface, three dimensions are static space, and four dimensions are dynamic space (because of time).
The parameters that we have to change in physics to describe a changing event. This parameter is called a dimension. A few parameters are just a few dimensions. For example, to describe the position of a "door", you only need angles, so it's one-dimensional, not two-dimensional.
To put it simply: 0 dimensions are points, without length, width, or height. One dimension is a line made up of countless points, only length, no width or height.
A two-dimensional is a surface made up of countless lines, with length, width, and height. A three-dimensional body is a body composed of countless faces, with length, width and height. Dimension can be understood as direction.
Because the human eye can only see three dimensions, it is difficult to interpret more than three dimensions. Just as a person with normal intelligence and a congenital absence of one eye and one ear (so that there is no binocular effect, binaural effect), it is difficult for him to understand distance, and he is likely to think that the world is two-dimensional.
To put it simply: n-dimension is the space formed by two perpendicular pairs of n straight lines.
Because, humans can only understand dimensions, so the later dimensions can be constructed by mathematical theories, but it is difficult to understand them carefully. In quantum mechanics, the membrane theory, which is still being established, holds that the world is 11 dimensions.
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I think. Black holes are a good example of this.
You can only see it black, but you can't see what's inside.
Maybe. Black holes rely on gravity. Tools to connect 3D and multi-dimensional.
There are also redshifts and blueshifts. We all know that Redshift is moving away from us. But can it finally go to **? The edge of the universe? Or is it somewhere else?
For the universe. Humans still know too little. Maybe in a few years, we will be able to discover UFOs in multidimensional space.
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The whole world is a multidimensional world, the spiritual world. In the material age, you can be unconscious and conscious, but now in the 21st century, the era of the "heart", this is an era of spiritual awakening, if you are still unconscious, after realizing it, you must pay the price of health and even life.
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The short description is.
Dimension 0 is a point, a singularity.
1 dimension is a line, an infinite number of points.
2 dimensions are a face, an infinite number of lines.
The third dimension is a body, an infinite number of facets.
4 dimensions are countless bodies, is an infinite number of parallel worlds (infinite number of their own bodies), time is just the process of your "consciousness" choosing the universe and the direction of the development of things, we feel that there is only one universe, in fact, your consciousness has experienced an infinite number of parallel universes every millisecond, there is no past, present, future, they all exist in n-dimensional space at the same time.
Wei is too difficult to understand and unable to express.
Our world is actually similar to the scenario described in "The Black Empire", but much more complicated. The only thing we really have is "awareness".
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In physics, the fourth dimension is the coordinates of time. Multidimensional space in mathematics is actually a vector, not a space in the true sense of the word
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Long knowledge! What is the difference between the mysterious multidimensional space from one to four dimensions?
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The world is full of everything, I can't jump to conclusions, just as the existence of aliens is theoretically existent, but there is no specific facts to prove it, Daxizhou may exist, but there is no evidence to show that aliens also exist theoretically, but according to the evidence that they must exist, so it can only be unwarranted.
I'm a girl and I see Yang Ying, it's really good-looking.
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