Chapter 585 The So-Called Four-Dimensional Space

The view is that, whether it is a two-dimensional space that is lower than three-dimensional space or a four-dimensional space that is higher than three-dimensional space, humans cannot enter it. Not only humans, but any three-dimensional object in the universe cannot enter it.

The proof process is very simple.

Like the general introduction to dimensions, the paper starts with zero dimension at the beginning. Zero-dimensional space is a point with a radius of zero. There is no doubt about this. One-dimensional space is an extension of the zero-dimensional point, a line of infinite length but no width and height, and two-dimensional space is a surface without thickness composed of infinite one-dimensional lines.

There is no need to say much about three-dimensional space. Length, width and height are the dimensions of the universe. It is the spatial dimension in which humans live and understand best. The same is true for four-dimensional space. It is a hyperspace composed of infinite three dimensions.

Then the question comes. The scientist saw that it first listed the physical laws in three-dimensional space, that is, in this universe. There are several very simple companies, one is the law of universal gravitation, and the other is Coulomb's law.

Then it is pointed out that the two formulas that have been proven to be correct and have guided mankind on the road of science have one thing in common, that is, the force is inversely proportional to the square of the distance.

That is, the inverse square law.

Why is the gravitational force between two objects inversely proportional to the square of their distance? Similarly, why is the static force between two charges inversely proportional to the distance between them? What is hidden behind the inverse square law?

The article explains that the essence of the inverse square law is related to space. The reason why it is inverse square law is that the place where these physical laws take effect is the isotropic three-dimensional space of the universe, that is, the space is isotropic.

The so-called isotropy means that the physical, chemical and other properties of an object will not change due to different directions. That is, the performance values ​​of an object measured in different directions are exactly the same. In the three-dimensional universe, the physical laws are the same no matter where in the universe, and will not change due to changes in position.

So what does this have to do with the spatial dimension?

It is easy to know that energy is evenly distributed from a point to all parts of the space, forming a sphere. Since the space is isotropic in all directions, the energy of the sphere must be evenly distributed. The energy of each point on the surface is the same, so the energy of each point is the energy of the sphere divided by the area of ​​the entire sphere.

Anyone who has been to school knows that the area formula of a sphere is 4π times R squared, so it is easy to calculate that the energy of each point in space is inversely proportional to the square of the radius of the sphere where the point is located.

This is the relationship between the inverse square law and the spatial dimension, which is why the magnitude of the force in the universal gravitation formula and the Coulomb force formula is inversely proportional to the square of the distance of the object. Coulomb's law, electric field, electric potential energy, electric potential, and capacitance in three-dimensional space can all be connected in series using the inverse square law.

Then, in two-dimensional space, it is easy and very accurate to calculate with mathematics that the universal gravitation in two-dimensional space will definitely not be inversely proportional to the square of the distance, but inversely proportional to the first power of the distance.

Because it has one less spatial dimension.

The same is true for four-dimensional space. In four-dimensional space, it has one more spatial dimension, and in it, the universal gravitation will be inversely proportional to the cube of the distance.

The same is true for Coulomb force, if Coulomb force still exists there! The reason why this is said is that it is inversely proportional to the cube.

Under this physical law, electric charge may not exist, at least not in the form of three-dimensional space.

The magnitude of the force is inversely proportional to the cube of the distance, which will cause three-dimensional objects to disintegrate directly due to the change of physical laws. Even if they still exist, they will rapidly expand to an unimaginable extent because the force range is inversely proportional to the cube of the distance.

At that time, the bound system formed by protons and electrons, namely hydrogen atoms, will no longer be stable. They will disappear directly in the rapid expansion, and their information will be pulled to the extra spatial dimension and then disintegrate in an instant.

Anything that originally obeys the physical laws of three-dimensional space will be wiped out when it enters the four-dimensional space. There is no such thing as a person running to the four-dimensional space and seeing the four-dimensional perspective, because entering it means death.

Perhaps it cannot be called death, but non-existence, because the laws of physics have changed.

So the so-called dimension upgrade is not high-end at all, but destruction.

The same is true for entering the two-dimensional space, and dimension reduction is also destruction. The force range is inversely proportional to the distance, which will cause all objects in three dimensions to shrink directly into a ball, and all the original protons, neutrons, atoms and other particles will disappear due to the change of physical laws.

A three-dimensional object will cease to exist because it loses a spatial dimension when it enters two dimensions.

Because of the change in physical laws, it is impossible for a three-dimensional object based on the physical laws of three-dimensional space to exist in either two-dimensional or four-dimensional space.

Therefore, if this space is hyperspace, then the human experimental spacecraft will disappear as soon as it enters, so how can it be possible for the human body to detect the change of direction or even conduct experiments there.

In two dimensions and four dimensions, there will be no stable Milky Way and no beautiful starry sky.

The view of this scientist and his research team is that if there is really a three-dimensional object entering two dimensions or four dimensions, then this object must be the creation of civilizations that can change the laws of physics.

So their conclusion is very clear, this space is not hyperspace.

Of course, the paper does have the intention of denying hyperspace, but it does not stop there. In the end, the paper also kindly points out the way to prove the existence of space for those scientific teams who insist that this space is hyperspace.

That is, the inverse square law fails.

The failure of the inverse square law is also what human scientists think is the convincing evidence of finding hyperspace or two-dimensional space. In other words, as long as a scientific team can find a place in this area where the physical laws do not conform to the inverse square law, it means that the place is hyperspace or low-dimensional space.

Of course, even if such a space exists, they think it is a bit difficult to find and prove it. On the contrary, immediate death after touching it is the most likely.

From this perspective, whether it is two-dimensional space or four-dimensional space, it is a killer for civilizations in the three-dimensional universe. Reducing the dimension of a space is a dimensionality reduction attack, and raising the dimension of a space is a dimensionality increase attack.

Of course, it does not mean that three-dimensional is the weakest, because four-dimensional creatures entering three-dimensional is also a dimensionality reduction attack, and two-dimensional creatures entering three-dimensional are also facing dimensionality increase attacks.

To sum it up in one sentence, this scientific research team told another scientific research team not to think about four-dimensional space, not to waste time and resources, but to study with us what form of three-dimensional space distortion structure this space is!