It is difficult to find a branch of human activity where statistical data processing is not applied. That is why it is so important to be able to correctly, accurately and quickly analyze the results of research, to know the methods by which they should be processed
Science 2024, November
Why don't people go to the moon anymore? The results of the lunar race of the two superpowers. What did American astronauts discover on the surface and in orbit of the Moon? eyewitness accounts
Chemical equilibrium occurs when the ratio of entered and formed reaction products does not change, and forward and reverse reactions occur at the same rate. The chemical equilibrium in the system is shifted according to the Le Chatelier principle or the principle of counteraction
Thermodynamics is an important branch of physics. We can safely say that its achievements have led to the emergence of the technological era and have largely determined the course of human history over the past 300 years. The article discusses the first, second and third laws of thermodynamics and their application in practice
City does not arise by itself. From the moment of his birth, he is inextricably linked with any kind of activity, which is his function
Aneroid barometer is a more complex device than a mercury barometer. Although the idea of the device was expressed almost simultaneously with the invention of the mercury barometer (this was done in the same seventeenth century by the German scientist Gottfried Leibniz), the idea of the great German was put into practice only two hundred years later. In 1847, the talented French engineer Lucien Vidi created the world's first aneroid barometer. What is the principle of its action?
Modern Vladivostok is a multinational and densely populated city of the Russian Federation. In addition, it can be called without exaggeration the most important economic and strategic center of the Far East
Foucault's pendulum is a device that clearly proves the fact of the Earth's rotation around its axis. It is named after its inventor, the French scientist Jean-Léon Foucault, who first demonstrated its action at the Paris Panthéon in 1851. At first glance, there is nothing complicated in the device of the pendulum. This is a simple ball suspended from the dome of a tall building on a long rope (67 meters during the first test)
In the north-west of Africa, the Atlas Mountains stretch, the northern ranges of which are located right at the junction of two lithospheric plates. The Atlas is the most significant elevation in northwest Africa. The article presents the geographical location, geological structure, relief, climatic conditions, flora and fauna of this mountain system
Academicians of the Russian Academy of Sciences, whose list today is 932 names, are outstanding scientists of modern Russia. The development of domestic science depends on their work
The article describes the essence of the concept of "complementarity", indicates its significance in various fields of human activity, and also talks about the features of the principle of complementarity in genetics
The role of passionarity in the formation and development of ethnogenesis was described in his work by Lev Gumilyov. Features of this theory are considered in the article
Being underground and remaining absolutely invisible, the root forms entire systems that are directly dependent on the environment. If necessary, the type can be modified to provide the plant with everything necessary
The news that the British government has given the green light to crossbreeding people and animals has caused bewilderment and many questions among residents of the whole world. For most, this fact does not fully fit into the head, because it seems inhumane. But still, many are interested in the results of the experiments
Physics is one of the most important sciences for humanity. What scientists have achieved particular success in this area?
Any nation is rightfully proud of its politicians, public figures, poets and writers. In modern Kazakhstan, the memory of Ibrai Altynsarin is especially honored, who dedicated his entire adult life to eliminating illiteracy, familiarizing the Kazakh people with the values of Russian and world culture. Ibray Altynsarin is an outstanding educator of the 19th century, ethnographer, poet, prose writer, translator. Thanks to his efforts, the first schools appeared on Kazakh soil, where children from simple families could study
What do we know about long-necked dinosaurs? Description of animals and habitat. Varieties of long-necked dinosaurs: diplodocus and brachiosaurus
Depending on which catalyst is used, any type of polymer or mixture thereof can be obtained. The melting point of polypropylene is one of the important characteristics of this material. It has the form of a white powder or granules, the bulk density of which varies up to 0.5 g/cm³
In an attempt to unravel how the universe works, scientists have come to the conclusion that it consists of energy and the space in which this energy exists. Based on the latest discoveries and scientific theories, our universe may not be the only one, and there is something even more
All living organisms inhabiting our planet are characterized by certain criteria. First of all, it is the activity and flow of various physiological processes. Otherwise, their manifestation can be defined by such a concept as vital activity. This is a set of all processes that occur in living beings, regardless of the level of their organization
Dennis Tito is an American businessman who became the first private person to pay for his trip to space
Man takes a special place in the system of the organic world. The taxonomy of this biological species has its own characteristics, which we will consider in the article
In the history of medicine, there are not so many ministers of medicine who created promising theories and revolutionized the system of knowledge. Virchow Rudolf, a German pathologist, is rightfully considered to be such a reformer. Medicine, after his cellular theory saw the light, began to understand the pathological process in a new way
Jupiter's mass far exceeds Earth's. However, the size of the planet is also much different from our own. And its chemical composition and physical properties do not at all resemble our native Earth
There were times when the world of people was limited to the surface of the Earth under their feet. With the development of technology, mankind has expanded its horizons. Now people are thinking about whether our world has boundaries and what is the scale of the Universe?
The classification of microorganisms is characterized by the presence of the following taxa: domain, phylum, class, order, family, genus, species. In microbiology, scientists use the binomial system of object characteristics, that is, the nomenclature includes the names of the genus and species
Do you know what Nazca is? This is an ancient Indian civilization. It got its name from the river, in the valley of which one can still admire numerous cultural monuments. The heyday of this civilization was observed in the first millennium BC
A project is any event that requires the implementation of a certain idea: building an apartment, looking for a job, learning a foreign language, switching to a different daily routine. The stages of project development are unique in each case
A dozen names of polar explorers will forever remain in the history of geographical discoveries. These people conquered the last region of the Earth, where no human foot has yet set foot
To better understand the importance of certain discoveries, you need to read the biographies of the scientists who made them
Have you ever seen hordes of midges randomly swarming in the air? They seem to hang motionless in the air. On the one hand, this swarm is motionless, on the other, the insects inside it are constantly moving right, then left, then up, then down, constantly colliding with each other. The movements of molecules are of a similar chaotic nature, while the body retains a stable shape
The atmosphere of the planet Pluto is a variable phenomenon. Given its density and mass, it is able to evaporate during the so-called "summer" on the planet. If you are interested in these and many other phenomena that occur on Pluto, we offer you to plunge into its world
When determining the cardinal directions using a compass, in some cases, you can make a mistake. After all, the geographic north and south of the planet do not quite coincide with the magnetic poles. And to be precise in this matter, scientists have introduced a number of concepts, which include magnetic declination and magnetic inclination. They help to detect measurement error
How often do we hear from relatives and friends that they have a headache because of magnetic storms. Of course, it is possible that they exaggerate, and the reasons for the deterioration of their well-being lie in something else. But many are absolutely right: a person is constantly under the influence of the activity of the Sun, which can affect the state of he alth
Wireless transmission to deliver electricity has the ability to deliver major advances in industry and applications dependent on the physical contact of the connector
The mysterious number PI is the ratio of the circumference of a circle to its diameter. For many centuries, it has occupied the minds of mathematicians around the world. Fruitless attempts to find patterns in its endless sequence
One of the most important concepts of geometry is the similarity of triangles. The ability to apply it in practice helps to easily solve a huge number of problems
For several millennia, humanity has been accumulating knowledge about the world around it in order to form the science of physics already in modern times. Since then, it has developed as a clearly classified and structured discipline
The ability to see clearly and distinctly is a unique feature not only of humans, but also of animals. With the help of vision, orientation in space and the environment occurs, obtaining a large amount of information: it is known that with the help of the organ of vision, a person receives up to 90% of all information about objects and the environment
Ralf Dahrendorf is a well-known German sociologist and philosopher who has British citizenship. Deeply studies the issues of the theory of social conflict