THE MAGNET

Ah, the magnet! Every tourist site, every tourist market, every tourist focus begins with it. The magnet itself is a focus of tourism. Synthesis of tourist interest. The tourist magnet is the magnet of the road. It is a magnetic field, a source of the tour-memo-field, fills the space and gives it new properties. Magnetism. Active force. It acts from a distance, maybe directly, it creates a field of interest in the place where the magnetic “arrow” is located.

Magnetic moment. What do you know about the magnetic moment! The atom associated with the orbital motion of electrons around the atomic nucleus, the rotation of the latter around their own axis – this is the real tourist. It vibrates and generates quantum phenomena. The magnetic moment cannot be measured. It is possible to measure only the projection of the latter on the purchased product after the corresponding magnetization. Magnetization is a property of magnets that determines the degree of impact on us.

Magnetization is defined as the amount of magnetic moment per unit volume. Do you imagine this process? The origin of the magnetic moments that cause magnetization is considered at the atomic level and is related to the orbital motion of electrons as well as their spin. In some countries, magnetization exists even without the application of a magnetic field, so-called spontaneous magnetization, spontaneous shopping. In other types of cases, the magnetization is induced only in the presence of an applied magnetic field from an external source. In some material media, the magnetic field is not homogeneous, but a function of the position in space. What do you know about this moment?

And what do you know about magnetic poles? Although the idea of ​​poles is very convenient for practical purposes, it should not be taken literally. What do you know about the tourist bifurcation, which is conventionally called the North N and South S poles? Even if a magnet breaks in two with the intention of separating the two poles, each of the parts again becomes a magnet with two poles. Theoretically, there is no prohibition on the existence of a magnetic monopoly, such has not been discovered. The poles of different names are attracted and the poles of the same name are repelled. Also, because the Earth is actually a huge magnet, it also has poles, but there is a difference between the north magnetic pole and the north geographic pole (this also applies to the south). Over time, the earth’s magnetic poles change. And the tourist ones?

What about magnetic permeability? Have you heard of magnetic permeability? That if you don’t have it, you’re lost in seconds between two objects. The tourist is characterized by high magnetic permeability. The tourist is an alloy, the tourist is a ferromagnet, a representative of iron, cobalt, nickel and gadolinium, together and separately, the tourist repels non-ferromagnetic metals. The tourist is the other pole of the magnet itself. They are one. They do not know who is north, who is south. It does not matter. They can be changed without any problems or notice. The tourist is a paramagnet – oxygen in a liquid state. But not of those weakly magnetic substances without magnetic permeability or slightly different from the unit μ ~ 1, one could even say μk ~ 1.

The tourist belongs to the group of diamagnetics. From time to time it becomes non-magnetic, but rarely when there is a complete magnetic drought. Science says that magnetic susceptibility is always negative, and that all objects have some kind of magnetic permeability: humans, gases, and even the cosmic vacuum. They are, that’s why we talk, we knew it a priori. It pulls us, pulls us, pushes us. Until complete demagnetization. Since when?

Due to the low level of sensitivity of the soft tissues of the human body to static magnetic fields, there is no confirmed scientific evidence of their influence and any healing effect of various magnetic healing items such as bracelets and others on humans. But we know from practical experience that it has some effect, we do not know its name, we do not look for it, we just leave. Magnetic therapy is a form of alternative medicine. Tourists practicing magnetic therapy claim that the application of magnetic fields of permanent magnets on various parts of the body, especially those in contact with suitcases, has a positive effect on health. In general, magnetic therapy is considered a pseudo-scientific concept and any effects reported are due to the placebo effect. Let it be so. Variable electromagnetic fields are the subject of other research.

A magnet (Greek: μαγνήτης λίθος, magnḗtis líthos, meaning stone of Magnesia) is a body or object that has its own magnetic field. The magnetic field is invisible, but is responsible for the most important property of magnets: the force with which they attract or repel ferromagnetic materials, such as iron. Magnesia, whence the name, is an area in ancient Greece where deposits of magnetite have been found. The earliest descriptions of magnets preserved to this day are from Greece, India and China and date from about 2500 years ago. We also have from these lands, but from more recent historical times.

According to legend, there is always a legend, a shepherd named Magnes had shoes nailed with iron nails that stuck to a magnetic stone and this most likely happened in the region of Thessaly, where Magnisia or Magnesia is located. The magnets can be made in different shapes – such as a horseshoe, a stick, a disc and other more exotic shapes. This is theoretical. You can’t stop the productive imagination. We enjoy all kinds of geometries.

Ah, the magnet!

М.К.

10.2020

The project was presented at the San Stefano Plaza – Betona Gallery in Sofia in November 2020

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