Are the similarities between galaxies and atoms, cosmic structures and neural networks just coincidences?

The world we live in is full of mysteries. Perhaps only when humans uncover all the mysteries of this world can they find the true meaning of life.

The world is full of mysteries, and the biggest mystery is the universe and life. These two seemingly unrelated things have many similarities. In fact, not only the universe and life, but everything in this world has a high degree of similarity. Our solar system is a star system, and the star system is also a basic cosmic structure. From a macroscopic perspective, the star system is a disk with the sun at the center of the disk, and all other celestial bodies revolve around this star.

The diameter of the solar system is about 2 light years, while the diameter of an atom is only 0.1 nanometers. However, interestingly, the internal structure of an atom is quite similar to that of the star system.

An atom is composed of a nucleus and extranuclear electrons. The nucleus is located in the center, and the electrons move around the nucleus. Isn't this a miniature star system? Maybe you think this is just a coincidence. Yes, it may be a coincidence, but such coincidences can be found almost everywhere, such as the structure of the universe. The universe is very large, and there are countless galaxies in the universe, but these galaxies are not randomly arranged.

In the universe, there are always some areas where matter is relatively dense, while other areas are very empty. If you look at it from a God's perspective, the universe is just an irregular large net. And this structure is very similar to the arrangement of nerves in the human brain. Of course, this may be another coincidence.

There are countless similar coincidences, such as branches and lightning, veins on leaves and crisscrossing rivers. The similarities between them are astonishing. In order to study the similarities between them, we have a special discipline, fractal geometry. Fractal geometry believes that everything in the world has a self-similar hierarchical structure, whether it is a galaxy or an atom, whether it is the structure of the universe or a neural network, as long as you pay attention, you can find this self-similarity.

Sometimes, things that were not very similar at first will gradually become similar, such as the Internet and the structure of the universe. As the Internet gradually develops, the similarity between it and the structure of the universe will gradually deepen.

Of course, this could just be a coincidence, but some people don't think so. For example, Kriukov of the Internet Data Analysis Association believes that the probability of such a coincidence is extremely low, and this similarity must be able to find a more reasonable explanation. Self-similarity allows us to find the connection between the universe and everything, but it makes the universe more profound and mysterious. We don't feel closer to the truth, but feel farther away.

Self-similarity also gives us new insights into our understanding of the universe.

The universe is similar to other things on many different levels, but all things have a common feature, that is, "finiteness". Whether it is the neural network of the human brain, the Internet, or the biological network, you can find their boundaries. In this case, should the universe also have a boundary? If there is a boundary, where is it? This is too difficult to answer because we cannot break through the laws of the universe to verify this question.

The universe is expanding, and the farther away from us the space is, the faster it expands. Therefore, our observations are limited to the radius of the observable universe. As for the area outside the observable universe, we can say that we know nothing about it. Even if there is a boundary of the universe there, we will not be able to see it.

Whenever we start to think about the universe, we lament the brevity of our own lives. This fleeting life really does not allow us to unravel the universe and gradually move towards the ultimate mystery. Perhaps the meaning of each of our existence is to pass on human civilization, so that future generations can stand on our shoulders and get closer to the ultimate mystery.

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