Science 2024, November

Inert material in construction: types, features, transportation conditions

Inert material is considered one of the most important elements of any building process. What inert materials are used most often? What are their properties and features of transportation?

Analysis of grain in the laboratory

Like any agricultural product, grain has its own quality characteristics that determine how suitable it is for human use. These parameters are approved by GOST and are evaluated in special laboratories. Grain analysis allows you to determine the quality, nutritional value, cost, safety and scope of a particular batch or variety

Bedrock, history, classification, mineral content

The Earth's crust, to which mankind has access, reaches a depth of about 20 km. It consists of 95% igneous rocks, 4% metamorphic rocks and 1% sedimentary rocks. Indigenous, rocks that can be used by mankind and for their own purposes are called minerals. And the natural accumulations of these minerals in the earth's crust are mineral deposits, they can be loose and primary

What is denatured alcohol

Let's reveal the features of the technology for the manufacture of denatured alcohol, as well as the scope of its application

Civil law as a science and academic discipline. The concept of civil law as a science. Subject, methods, development of the science of civil law

Civil law as a science is gaining more popularity in the light of the development of the state and market economy. And in order to understand all the intricacies of this issue, you should familiarize yourself with the information below

Constitutional law as a science. Communication with other legal branches. Significance for the Russian legal system

Constitutional law as a science, industry and academic discipline is a frequent question in exams for law students. In order to understand the essence and significance of constitutional law as a science, it is necessary to study all the subtleties of this issue

Nuclear reactor - the nuclear heart of humanity

The discovery of the neutron was a harbinger of the atomic era of mankind, since in the hands of physicists there was a particle capable, due to the absence of a charge, to penetrate into any, even heavy, nuclei. In the course of experiments on the bombardment of uranium nuclei by neutrons, carried out by the Italian physicist E. Fermi, radioactive isotopes and transuranium elements, neptunium and plutonium, were obtained

Karl Brown: biography, scientific works and inventions

Karl Braun is a German physicist who lived in the second half of the 19th - first decades of the 20th century and became famous thanks to the invention of the cathode ray tube - kinescope. In some countries, this device is still named after the scientist. Karl Braun specialized in the practical use of electromagnetic waves. In 1909, the scientist was awarded the title of Nobel laureate in physics

Stray currents: characteristics, essence, protection

Stray currents are a kind of directional movement of charged particles that occurs in the earth when the latter is used as a conductor. The main danger of this phenomenon is the development of corrosion of those metal objects that are underground or at least partially in contact with it

What is precipitation and how is it distributed on our planet

Probably even a child will tell you what precipitation is. Rain, snow, hail … That is, the moisture that falls from the sky to the ground. However, not everyone can clearly say where this water comes from. It is clear that from the clouds ( although this is also not a firm rule), but where do the clouds come from in the sky? In order to understand the cause and nature of the showers, rains and snowfalls passing over our heads, we need to get an idea of u200bu200bthe exchange of ash-dav-o on planet Earth

Grounding and grounding - what's the difference? Grounding and grounding of electrical equipment

What is the difference in the protection device using grounding and grounding, basic principles of operation, letter designation of systems

Why enrich uranium? Detailed analysis

The article talks about why enrich uranium, what it is, where it is mined, its application and what the enrichment process consists of

Molecular biological research methods and their use

Molecular biological research methods play a big role in modern medicine, forensics and biology. Thanks to advances in the study of DNA and RNA, a person is able to study the genome of an organism, determine the causative agent of a disease, recognize the desired nucleic acid in a mixture of acids, etc

Symbolic logic: concept, language of logic, traditional and modern logic

Symbolic logic is a simplified language of philosophical thought, which is expressed by mathematical formulas and reliable conclusions of solutions. If logic in mathematics takes into account all true and false statements, then the foundations in the search for truthfulness will be given as algebraic theorems

Biochemical research method: description, features and results. Biochemical method of genetics

Biochemical method - the main method in biochemistry from the main methods in the diagnosis of various diseases that cause metabolic disorders. It is this method of analysis that will be discussed in this article

Design methods. Methods and design goals. scale models. Design stages

Without design, it is difficult to develop a business, engage in construction, spatial modeling. Let's analyze the theoretical foundations of design

The phenomenon of superconductivity: classification, properties and applications

Superconductivity is the property of some materials to have strictly zero electrical resistance when they reach a temperature below a certain value (critical temperature). Several hundred compounds, pure elements, alloys and ceramics are known, passing into the superconducting state

Application of nuclear energy: problems and prospects

Initially, the use of nuclear energy was planned for military purposes, but then it began to be used in civilian life. Nuclear energy plays a particularly important role in the energy sector

Statistician - who is this? Social, economic and legal statistics

In the current conditions of the development of society, interest in statistics as a science and its wide application in practice has increased significantly. Today, no one can deny the importance and underestimate the role of statistics in public life. Statistical data contribute to the formation of an adequate idea of the current state of affairs in the country. Thanks to this, in case of any deviations or inconsistencies, it becomes possible to take a number of corrective measures in a timely manner

Physiocrats - who are they? Representatives of the Physiocrats

In the 16th century, economic thought in Europe underwent significant changes: an active theoretical search for sources of capitalist we alth began. This turbulent era is rightly considered the period of the primitive accumulation of capital, the period in which the European states began their commercial and political expansion, and so on. At this time, the bourgeoisie is winning back positions not only in politics, but also in the economy

What is the composition of bronze as a percentage. Its properties and application

The article tells about what bronze and brass are made of, what varieties of them exist, what products are made from these alloys

The concept of the moment of force in physics: examples of problem solving

Often in physics one has to solve problems for calculating equilibrium in complex systems that have many acting forces, levers and axes of rotation. In this case, it is easiest to use the concept of moment of force. This article provides all the necessary formulas with detailed explanations that should be used to solve problems of this type

Hysteresis loop and its application in magnetic recording

Modern computers store information on hard drives using the principle of magnetic registration, which is based on a hysteresis loop

What is ionized gas? Briefly about plasma

Ionized gas: what is it, obtaining, application, types of plasma, the fourth state of matter

Fusion is thermonuclear. Problems of thermonuclear fusion

Innovative projects using modern superconductors will soon allow controlled thermonuclear fusion, some optimists say. Experts, however, predict that practical application will take several decades

Similarity test: definition and examples

You can find out what similarity criteria are and what are their differences from well-known criteria (evaluation, productivity, and others) in the article

Is it possible to cryogenically freeze a living person?

Cryonics is a very unusual technology, which, in addition to everything, causes a lot of controversy and controversy. Not surprising, because the procedure involves freezing a person who can be revived in the future. Is it real? How is the procedure going? What does that require? Is there any experience? This topic contains a lot of questions. And each of them is worth trying to answer

Mysteries of sister Earth. Phases of Venus

The article talks about our neighbor in the solar system, the planet Venus. The phases of Venus and their difference from the lunar phases are described. It is about the features of this planet

Ordinary knowledge: definition and meaning. Knowledge of the world. Life experience

Ordinary knowledge constantly appears in our lives in the form of advice, sayings, signs. What are its features? Is it different from scientific knowledge or not? You will find this and much more in this article

Essence and types of forecasting. Degrees of probability, methods and principles of forecasting

At present, no sphere of society can be managed without forecast as a method of foresight. Forecasting is used in various fields: in economics, management, sports, industry, etc. It is possible to draw preliminary conclusions about various processes, phenomena, reactions and operations using extrapolation and trend

Script Method: Examples and History

What is the scripting method? Note that it can be used to assess the likely course of development of certain events, as well as to foresee the consequences of decisions made. For example, it is possible to predict the feasibility of opening a children's entertainment center, calculate profits, and foresee possible losses

Economic experiment: methods, examples, description. Experiment in Economics

To study the mechanisms of the market system and test the validity of the theories put forward, an economic experiment is used, which in modern realities can be carried out not only on a limited scale. It allows you to obtain information about the typical behavior of economic agents under control

The main task and goal of science

Science is a system of knowledge that is in continuous development. It explores the objective laws of nature, thinking, formation and activity of society. Knowledge turns into direct production resources

Sociology of Marxism: main characteristics

The influence of Marxism on sociology in the 20th century was very great. Karl Marx sought to create a strictly objective theory of social development based on historical facts. Surely he succeeded

Potassium permanganate: basic chemical properties and reactions

Since childhood, we have known potassium permanganate under a different name, associated with gastric lavage and the terrible word "disinfection". Ordinary potassium permanganate, charming with its "glamorous" color. But how does such a color arise - after all, one small black grain is added to the water ?

What are sunspots? What Science Knows About Sunspots

Surely you have heard more than once from various media about the expected magnetic storms. Did you know that it is sunspots, the nature of which has long been a great mystery to humans, that are responsible for this phenomenon? What is it, and how do they arise?

Calcium sulfate. Description

In modern inorganic chemistry, the classification of s alts, the interaction and properties of elements and their various compounds are of great importance. There are substances that, among others, occupy special places. Such compounds, in particular, should include calcium sulfate. The formula of the substance CaSO4

Mass fraction? And what exactly?

In the process of a chemical reaction, what is theoretically planned is not always obtained, at least quantitatively. This is usually due to difficult reaction conditions - non-ideal temperature, insufficient contact with the catalyst, and simply chemical impurity of the reagents. In this case, chemists use the phrase "mass fraction of the yield"

Kinetic energy: concept

Kinetic energy is, according to the definition, a value equal to half the mass of a moving body, multiplied by the square of the speed of this body. This is one of the most important terms in modern mechanics. In short, this is the energy of motion, or the difference between the total energy and the rest energy

Deformation: shear, tension, compression, torsion, bending. Deformation examples

Consider deformations: shear, tension, bending, torsion. Let's analyze their use in the modern world