Manufacturing of external magnetic hard drives?External hard drives are an integral part of our lives for many of us, especially those who work with computers. They are so common that we don't even think about the actual mechanism and their structure. Therefore, we often do not even know that the technology would not work without the help of these magnetic external hard drives.
Development of magnetic storage space.We have often stressed that magnets are essential, especially in the field of technology because they are used in the development of different functions.Often we do not consider them as active, so we can not even be aware of their importance for the proper functioning of technological devices. We have already covered the use of magnets ...
Magnetic data recording on magnetic or SMR discsAs we already know, magnets also play an important role in computer technology. Especially when it comes to recording data, the use of magnets is not only essential, but it is constantly developing and improving. This can be the recording of your personal data on your PC at home, just like in businesses and other ...
Uninterruptible power supplies (UPS)Uninterruptible power supply is a system already known to most of us and we simply assume that we always have electricity when we need it. In fact, this is not automatically the case and in the event of a power failure, we only notice how dependent we are on the fact that everything works perfectly.
Magnetic liquid, what is it?Magnetic liquids have been around for a long time. More specifically, we have known for about 150 years. that liquids can have magnetic properties by adding iron particles to them. However, as with most inventions and discoveries, the prototype, while functional, was not entirely ideal. It was not until 1965 that the composition was optimized and ...
How does a magnetic pendulum work?The magnetic pendulum is not only fascinating to see, it is also an example of the phenomenon of deterministic chaos. This means that it is a system that erases the unstable equilibrium. We clarify exactly what this means using the following definitions:Deterministic chaos: "irregular and chaotic behavior of system variables, which however obeys a deterministic ...
Rare earth magnets in light aircraft electric motorsRare earths are used more and more in different fields and are considered as an increasingly important raw material. In the electronics sector in particular, they are essential. They are used in a wide variety of devices that we use every day:Computers, powerful batteries, hybrid cars, smart phones, electric motors and also in ...
About magnets, Curiosities, News
How do medical magnets save lives?Healing magnets are no longer new. Quite simply because magnets today perform functions in most technical devices that we do not consciously perceive at first, and often not at second glance either. Quite simply because they are auxiliary functions, so to speak, so that the device concerned works and can fulfill its main function. These can be common things, like the ...
Curiosities, Magnets at home, News
Tips and tricks with magnetsTo make your life easier, it's good to have your own "stuff", but you need to do it right and safely. Magnets are used very frequently in the domestic environment. It is easy to do “magic with magnets” if you look closely at ...
The Hall effect probe for gaussmeter, origin and applicationWhen we talk about the Hall effect probe, we first need to clarify some terms. First of all, its origin, which bears the name of its inventor Edwin Herbert Hall since its discovery in 1879. As we have already explained elsewhere in our blog, we often talk about ...
How to create Eddy currents?Eddy currents are also known as “Foucault current” in English. These are electrical currents which, using an Eddy current separator, form a variation over time, cutting even the smallest non-ferrous metals.First, let's clarify how it works. For this we must look more closely at the principle and the functioning of the Eddy ...
What does the Oersted unit mean?The Oersted unit is named after the Danish physicist and chemist Hans Christian Oersted. In 1820, he discovered the link between electric current and magnetism, although the latter had already been established before him, without going into detail or going into details.Almost 40 years later, Maxwell clarified these relationships in Maxwell's equations, which ...
Which is the magnetic moment?When we talk about the magnetic moment, we talk about a unit or a vector, which describes magnetic processes. More specifically, it indicates the strength of a magnetic dipole, which represents the relationship between the external magnetic field and the strength of that field itself.The external magnetic field, together with its flux density, can affect ...
What is electromagnetism?Electromagnetism is exactly what the term describes, a magnetic effect that is the result of electric currents. Everything is defined as it follows:All phenomenons in which electric currents and magnetic fields are linked.In the following article, however, we would like to take a closer look at electromagnetism to explain what exactly ...
What’s Pauli's principle?Pauli’s principle, also known as the Pauli ban or the Paulian exclusion principle, was discovered in 1924 by physicist Wolfgang Ernst Pauli, who almost 20 years later also received the Nobel Prize for his work. Generally speaking, according to Pauli's principle, two electrons in an atom should never have exactly the same state. This description makes it clear why it is also called a ...
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