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Tsiolkovsky's equation: description, history of discovery, application
Tsiolkovsky's equation: description, history of discovery, application

Cosmonautics regularly achieves stunning success. Artificial satellites of the Earth are constantly finding more and more diverse applications. Being an astronaut in near-Earth orbit has become commonplace. This would not have been possible without the main formula of astronautics - the Tsiolkovsky equation

  • Basket is? How is it different from a shopping cart?
    Basket is? How is it different from a shopping cart?

    To each of us in childhood, my mother read fairy tales. The heroes of my mother's stories went to the forest for mushrooms, some with a basket, and some with a basket? But are there any differences between these subjects? Let's figure it out together

  • Liquid, s alty water on Mars: description, history and facts
    Liquid, s alty water on Mars: description, history and facts

    As people explored the cosmos, the thought of finding alien life became more and more intriguing. With the development of technology, it became possible to study the planets closest to the Earth. One of them was Mars - the fourth planet in the solar system, surprisingly similar to Earth, but as if outdated and already cooled down

  • Habitat for flatworms. Types of flatworms
    Habitat for flatworms. Types of flatworms

    The type of animal flatworms, which are included in the group of bilaterally symmetrical, is studied by the science of biology. Flatworms (Platyhelminthes) are not the only representatives of this group, more than 90% of animals belong to it, including annelids and roundworms, arthropods, molluscs, etc

  • Chemical element rubidium: characteristics, properties, compounds
    Chemical element rubidium: characteristics, properties, compounds

    In 1861, with the help of a newly invented method of spectral analysis, a new chemical element, rubidium, was discovered. Then, with the discovery of the periodic law by D. I. Mendeleev in 1869, rubidium, along with other elements, took its place in the table, which brought order to chemical science. Further study of rubidium showed that this element has a number of interesting and valuable properties. We will consider here the most characteristic and important of them

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Emile Maurice: biography, personal life, interesting facts, photos
Emile Maurice: biography, personal life, interesting facts, photos

The name of the man who stood at the origins of German Nazism is not known to many. He became the best friend of Adolf Hitler and one of the first members of the NSDAP. Who is it? Emile Maurice is a watchmaker of Jewish origin, who was born into a we althy family. His father ran a fertilizer business, but things didn't go well for long. The factory eventually went bankrupt, and young Maurice had to get a profession that could feed him

  • "Easy" is a value judgment
    "Easy" is a value judgment

    Describe events and phenomena - in human nature. The right assessment helps to quickly cope with the situation, and words of encouragement calm others. Because of what "easy" becomes a multifunctional term for any situation. What does he mean? Read the article

  • What is "sam"? Multiple word meanings
    What is "sam"? Multiple word meanings

    Practically everyone has come across a word like "sam". First of all, this term is associated with an English-language name. However, this word has several meanings, some of them are slang words. For example, this is the name of moonshine - an alcoholic drink prepared at home by distillation. What is sam and various interpretations of these words will be discussed in the essay

  • Luck is about luck
    Luck is about luck

    Some are lucky in their studies and finding a profitable job, others are happy because they have a big family. And still others enjoy rich booty after another robbery. And all this is fart. How many meanings are in a short word? Read the article

  • What is the origin of the word "station"?
    What is the origin of the word "station"?

    Practically everyone has come across the word "station". The origin of the term, according to the linguist and lexicographer M. Vasmer, is associated with the English name of an entertainment establishment and a park located near London - Vauxhall ("Vauxhall"). The researcher also draws attention to the fact that this institution was owned by D. Vox in the 18th century. Further in the essay, the origin of the word "station" will be considered

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  • October armed uprising in Petrograd: causes, course of events, results
    October armed uprising in Petrograd: causes, course of events, results

    Some authoritative historians regard the armed uprising in Petrograd as the beginning of the Civil War in Russia, which created exceptionally favorable ideological, political, social and geopolitical conditions for the further formation and strengthening of the Bolshevik regime. It was then that the communist ideology, the dictatorship of the proletariat, finally won, the main trends that had previously led Russia along the Western path of development changed

  • Consequences of World War 1: economic, political, social. human losses
    Consequences of World War 1: economic, political, social. human losses

    The First World War of 1914-1918 radically changed the face and fate of old Europe. It was this bloody, destructive and unparalleled at the time of the end of the conflict that finally determined the end of the old order that developed after the Napoleonic conquests, and became an important factor in the outbreak of the Second World War. What were the consequences of World War 1?

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Types of bones: shape, size, nature of joints
Types of bones: shape, size, nature of joints

The skeleton, which is the axial organ of the musculoskeletal system, contains different types of bones. They differ in form, structure and function

  • Incredible - what is it? Origin, meaning and interpretation

    There are some words that we know the meaning of but don't know why they sound the way they do. Our today's hero fits this description. The reader will never guess what is being said without a specific clue. The adjective "incredible" is our object of study

  • Bormann Martin: the secrets of his biography

    Bormann Martin - one of the most significant Nazi leaders, who went down in history as a "grey eminence", whose place was at the throne of his beloved Fuhrer. In order to become indispensable and irreplaceable for Hitler, Bormann tried to do everything. He kept all competitors at a distance, maintaining and wisely using the leading position. At the end of the war, while trying to get out of Berlin to save himself, Bormann went missing. History knows several scenarios

  • Christmas tree: the history of appearance in Russia

    It's hard to imagine the most anticipated holiday of the year, loved by children and adults, without such a classic attribute as a Christmas tree. The history of the tradition that commands to decorate this tree for the holiday goes back centuries

  • When serfdom was abolished in Russia

    Among the many historical events that formed modern Russia, one of the main ones can be considered the moment when serfdom was abolished. The nature of this and subsequent reforms largely influenced the further development of the political situation in the country

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