Science 2024, November

Examples of conflicts. Types of conflicts

Examples of conflict are found everywhere, from petty quarrels to international confrontations. The consequence of one of these confrontations - Islamic fundamentalism - is considered on the scale of one of the largest world problems, bordering on the threat of the Third World War. However, studies have shown that conflict is a fairly broad and complex concept to evaluate it unambiguously from a destructive point of view

Sinuses of the dura mater (venous sinuses, sinuses of the brain): anatomy, functions

The brain is an organ that regulates all body functions. It is included in the CNS. Leading scientists and physicians from different countries have been and continue to study the brain

Einthoven's triangle and its construction

Einthoven's triangle is the basis of the ECG. Without understanding its essence, it will not be possible to decipher the qualitative electrocardiogram. The article will tell you what it is, why you need to know about it, how to build

Fats: structure, functions, properties, sources for the body

The structure of fats is a complex of triglycerides and lipoid substances. These compounds perform a number of important functions of the body and are an indispensable component in the human diet

True solution: definition, features, composition, properties, examples

True solutions are an important part of the life of any person. Therefore, knowledge of their features and understanding of the main patterns occurring in them is very important

Solubility of substances: table. Solubility of substances in water

This article talks about solubility - the ability of substances to form solutions. From here you can learn about the properties of the components of solutions, their formation and learn how to work with the source of information on solubility - the solubility table

Anders Celsius: biography, the main discoveries of the scientist

Anders Celsius - the great scientist of the 18th century. He has more than one discovery in the field of astronomy, meteorology and geology

Pyrite (iron pyrite): physical and magical properties. The use of the mineral in industry

Few people know that pyrite and iron pyrite are two different names for the same mineral. This stone has another nickname: "dog's gold". What is interesting about the mineral? What physical and magical properties does it have? Our article will tell about it

Alabaster: formula and types

Alabaster is a mineral and a fairly common building material these days. But what is this substance? What is the chemical formula for alabaster? This article describes two (from a chemical point of view) species of this mineral

Structural formula - graphic representation of a substance

The structural formula of a substance is its graphic representation, with which you can learn about the arrangement of atoms in a molecule, taking into account the type of bond and their features. Based on this spelling, one can assume what chemical properties of substances, classify and systematize them

Let's talk about how to find protons, neutrons and electrons

In order to predict the chemical and physical properties of a certain element, it is necessary to know the structure of the atom. We give the rules for determining protons, neutrons, electrons, examples of calculations

Ferrous and non-ferrous metals. Use, application of non-ferrous metals. Non-ferrous metals are

What metals belong to the ferrous group? What elements are included in the color category? How are ferrous and non-ferrous metals used today?

Basic tissue of plants: complete characteristics

What is the main fabric? What functions does it perform? What types of plant tissue are there? How is it organized?

Liquid helium: features and properties of matter

Helium belongs to the group of noble gases. Liquid helium is the coldest liquid in the world. In this aggregate state, it has a number of unique features, such as superfluidity and superconductivity. We will learn more about its properties below

Macroergic bond and connections. What bonds are called macroergic?

Each of our movement or thought requires energy from the body. Every cell of the body stores this energy and accumulates it in biomolecules with the help of macroergic bonds

Thermal power of electric current and its practical application

It is well known that electric current is capable of causing some degree of heating of the conductor through which it moves. In everyday life and industry, the thermal power of the current is widely used

Who discovered the laws of planetary motion?

"Kepler's laws" - this phrase is familiar to everyone who is fond of astronomy. Who is this person? The connection and interdependence of what objective reality did he describe? Astronomer, mathematician, theologian, philosopher, the smartest man of his time Johannes Kepler (1571-1630) discovered the laws of motion of the planets in the solar system

Schrödinger Erwin: interesting facts from life, biography, discoveries, photos, quotes. Shroedinger `s cat

Erwin Schrödinger (years of life - 1887-1961) - Austrian physicist, who is known as one of the creators of quantum mechanics. In 1933 he received the Nobel Prize in Physics. Erwin Schrödinger is the author of the master equation in such a section as non-relativistic quantum mechanics. It is known today as the Schrödinger equation

What is a gravitational wave?

The official day of discovery (detection) of gravitational waves is February 11, 2016. It was then, at a press conference held in Washington, that the leaders of the LIGO collaboration announced that a team of researchers managed to record this phenomenon for the first time in the history of mankind

Electric current in gases: definition, features and interesting facts

There are no absolute dielectrics in nature. The ordered movement of particles - carriers of electric charge - that is, current, can be caused in any medium, but this requires special conditions. We will consider here how electrical phenomena proceed in gases and how a gas can be turned from a very good dielectric into a very good conductor

Evolutionary doctrine. Its development from ancient times to the present

Evolutionary doctrine is the sum of all ideas about the patterns, mechanisms of changes occurring in organic nature. According to him, all currently existing species of organisms originated from their distant "relatives" through a long change. It analyzes how individual organisms develop (ontogeny), considers the development paths of integral groups of organisms (phylogeny) and their adaptation

Meteorological satellites: photo, description and characteristics

The Earth's atmosphere is a complex, dynamic system, therefore, to improve the accuracy of forecasting, it is necessary to take into account its state in different regions at every moment. For several decades, meteorological satellites have been a necessary tool that provides an opportunity to observe the state of the atmosphere on a global scale

Robert Hooke: biography and personal life. Short biography of Robert Hooke and his discovery

The greatest scientist Robert Hooke is undeservedly forgotten by the general public. But it was he who not only invented many scientific instruments, but also discovered the existence of cells

What is metal transmutation

Ancient alchemists dreamed of transmuting base metals into noble ones. Not only base metals in gold; but the abundant creation of elements that rewrite the book of genesis. Modern science has proved the impossibility of this phenomenon, but the mystical aspirations of alchemists can still be realized in games like Thaumcraft, a popular Minecraft mod

Metal properties of chemical elements

At the moment, science knows one hundred and five chemical elements, systematized in the form of a periodic table. The vast majority of them are classified as metals, which implies that these elements have special qualities. These are the so-called metallic properties. Such characteristics, first of all, include plasticity, increased thermal and electrical conductivity, the ability to form alloys, and a low value of the ionization potential

Basic forms of scientific knowledge

In this article we will pay attention to the definition of the question of what are the forms of scientific knowledge and what they are. Here the concept of knowledge and science will be defined, and many varieties of this form of studying the world will be studied. For example, we will learn what is analysis and synthesis, deduction and induction, etc

How to calculate the diameter of a circle?

What is the difference between a circle and a circle? What are the dimensions of a circle? How to calculate the diameter of a circle? All these questions are answered in the following article. The most famous formulas for calculating the diameter of a circle are also presented

Growing crystals at home: features, technology and reviews

The do-it-yourself crystal growing project is within the power of not only high school students, but also students from elementary school. We offer a method for growing crystals, as well as a ready-made project for creating large crystals of table s alt and copper sulfate with your own hands

Interspecific struggle: forms and meaning

Signs that are useful for humans are not always needed and important for animals. Nature is also able to preserve some species, and eliminate some. This process is called natural selection, and interspecies struggle is one of the tools of this process. That is, animals compete with each other for food, water, territory, and so on. This is how species evolve, they are forced to adapt to some factor or simply disappear from the face of the Earth

What is science: definition and main characteristics

What is science? Throughout our lives, we encounter this concept repeatedly. However, not everyone will be able to give a clear answer to this question. Science is the defining value of modern culture, its most dynamic component. In the modern world, it is impossible, when discussing social, anthropological and cultural aspects, not to take into account the achievements of science

Stephen Hawking: life and work

The material tells about the main points of the biography of the world famous scientist, as well as the most important areas of his scientific activity

Pierre Laplace: biography, achievements in science

In short, Pierre Simon Laplace is a scientist known in the scientific world as a mathematician, physicist and astronomer of the 19th century. He made a decisive contribution to the theory of planetary motion. But best of all, Laplace is remembered as one of the greatest scientists of all time and is called the "French Newton". In his writings, he applied Isaac Newton's theory of gravity to the entire solar system. His work on the theory of probability and statistics is considered groundbreaking and influenced a whole new generation of mathematicians

Electrical phenomena in nature

From time immemorial, mankind has tried to logically explain various electrical phenomena, examples of which they observed in nature. So, in ancient times, lightning was considered a sure sign of the wrath of the gods, medieval sailors blissfully trembled before the fires of St. Elmo, and our contemporaries are extremely afraid of meeting ball lightning

Neutralization reaction, the essence of the method and practical application

A very popular method in virology - the neutralization reaction - is based on the property of antibodies to inhibit the action of antigens, including when they interact with each other in the laboratory (in test tubes)

Lenticular kernel: description, structure and structure

The brain coordinates absolutely all the processes of our body. Probably everyone knows about the cerebral cortex, hemispheres and medulla oblongata. However, in addition to them, there are many more structures in the brain that perform extremely important functions. These structures include the basal ganglia. And one of the constituent parts of this structure is the lenticular nucleus

Metacarpus bones: structure and functions

The lower ends of the radius and ulna interlock with the carpal bones, forming a complex wrist joint, in which rotations can be made in all three axes. The bones of the lower line are attached above to the bones of the upper, below - to the bones of the metacarpus, as well as to each other, forming slow-moving joints

A biosystem is An organism as a biosystem

A biosystem is a complex web of biologically relevant organizations, from global to subatomic. This conceptual illustration reflects the multiple nesting systems in nature - populations of organisms, organs and tissues. At the micro and nanoscale, examples of biological systems are cells, organelles, macromolecular complexes, and regulatory pathways

Basic properties of living matter. The property that distinguishes living matter from non-living matter

The properties of living matter are useful to know, because this is something that concerns each of us. And directly. After all, a person is a living matter, which is endowed with reason. However, this is not a complete definition

Mars. Colonization of the Red Planet

The article talks about the possible colonization of Mars, its goals, dangers, technical aspects, and why it is a "one-way ticket"

Development of astronautics. History of the development of cosmonautics in Russia

The history of the development of astronautics is a story about people with an extraordinary mind, about the desire to understand the laws of the Universe and about the desire to surpass the usual and possible. The exploration of outer space, which began in the last century, gave the world many discoveries. They concern both objects of distant galaxies and completely terrestrial processes. The development of astronautics contributed to the improvement of technology, led to discoveries in various fields of knowledge, from physics to medicine