What is vibration?

Vibration derives from vibratĭo, a word in the Latin language. It’s about the process and consequence of vibrating: making something move, wobble, shake or shake. The concept can be used in different ways depending on the context.

In the field of physics, a vibration occurs when elastic waves propagate causing stress and deformation in a continuous medium. It can be said that vibrations involve repeated motions around an equilibrium position (which is the resulting position when the force is zero). It should be noted that elastic waves are changes in tension that diffuse through an elastic medium. When an earthquake occurs, a vibration of the surface is registered as there are elastic waves (in this case called seismic waves) that propagate.

Earthquakes, also known as earthquakes , are phenomena characterized by a strong shaking of the earth’s crust that usually lasts for a short time, although in some cases it leaves terrible consequences, such as the destruction of towns and cities, as well as a large number of deaths and injuries. In music, the concept of vibration is essential, as it is thanks to this phenomenon of physics that most instruments can emit sounds; in fact, even those who don’t seem to depend on it, like those of the wind, also take advantage of it to enrich the timbre of the sounds every time the air comes in contact with their walls. Like many other species of animals, the human being has the so-called vocal cords , which are not actually cords themselves, but a set of lips or membranous folds that, when vibrating, produce different sounds. It all starts with inspiration, as the air is in charge of gently brushing the strands to generate this movement and maintain it for as long as necessary. Sound also causes certain parts of the bone, known as resonators, to vibrate, which function as natural amplifiers. A molecular vibration is one that affects the atoms of a molecule. Vibrations can be bending (which modify the angle between two bonds) or tension (generating a continuous change in the distance that exists between atoms around the bond axis). The idea of ​​electronic vibration, on the other hand, refers to the motion carried out by electrons as they move through conductors and components of a system where a potential difference is applied.

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In everyday language, vibration is the unsteady movement that something makes. A cell phone (mobile) in a vibrating state, to name one case, is one that starts to move repeatedly when a call or message arrives. Video games are also related to this concept, as many of the current controls include motors that vibrate when the program demands it, to intensify in-game situations such as an accident, a blow, or an explosion. The first company to massify these engines was Nintendo, when in 1997 it launched an accessory for its Nintendo 64 console called the Rumble Pak, which had to be inserted into the bottom of the remote and required the use of two AAA batteries to work. It didn’t take long for other companies to copy the Japanese giant’s idea, and soon this function became a key feature of video game controllers, so many young people don’t know that Nintendo launched it. Currently, on the other hand, it is no longer necessary to use batteries if the controller is connected by cable, as it receives its power directly from the console.

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