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What did Kulibin Ivan Petrovich invent?
What did Kulibin Ivan Petrovich invent?

Many people know about the outstanding Russian engineer Ivan Petrovich Kulibin. And especially enterprising inventors have heard his last name addressed to them more than once: “You are like Kulibin!” However, few people know that out of dozens of developments by I.P. Kulibin patented only a few. And now the world knows that the architect Town built a heavy-duty bridge structure, and that Kulibin invented it - does not know

  • Demotic writing - history, origins and features
    Demotic writing - history, origins and features

    The ancient Egyptian writing system, used for a very long time - about 3500 years - has come a long way. From the first pictographic signs, it successively reached the appearance of cursive (cursive) writing, which is commonly called demotic. What it is, how it arose, developed and how it ceased to exist, we will consider in this article

  • Major provinces of China - Hebei, Anhui, Sichuan
    Major provinces of China - Hebei, Anhui, Sichuan

    This article will tell you about the administrative division of the People's Republic of China, as well as about three large developing provinces - Hebei, Anhui, Sichuan

  • Types of letters. Types of service letters
    Types of letters. Types of service letters

    Since ancient times, people have used various types of letters to share information with their own kind. Archaeologists have found such messages on clay tablets, pieces of birch bark, or on parchment. This is a clear confirmation that a person has always tried to express his own thoughts and aspirations through writing

  • Decree on uniform inheritance. Year 1714
    Decree on uniform inheritance. Year 1714

    1714 in Russia was marked by the formation of a new order. Peter I signs a new decree "On Single Inheritance", thereby he is trying to put an end to the countless fragmentation of noble estates and attract new people to serve in the army

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History of the Kuril Islands. The Kuril Islands in the history of Russian-Japanese relations
History of the Kuril Islands. The Kuril Islands in the history of Russian-Japanese relations

The dispute between Russia and Japan is a kind of dormant volcano. The history of the Kuril Islands confirms that it "erupts" from time to time. And you don't know when the next one will be

  • USA after World War II: history, characteristics and interesting facts
    USA after World War II: history, characteristics and interesting facts

    With the end of World War II, the US secured the status of the main Western superpower. Simultaneously with economic growth and the development of democratic institutions, the American confrontation with the Soviet Union began

  • Molecular mass of air - definition
    Molecular mass of air - definition

    Molecular mass is expressed as the sum of the masses of the atoms that make up the molecule of a substance. Usually it is expressed in a.u.m., (atomic mass units), sometimes also called d alton and denoted by D. For 1 a.m.u. Today, 1/12 of the mass of C12 of a carbon atom is accepted, which in units of mass is 1.66057.10-27 kg

  • What are vassals and how did they appear
    What are vassals and how did they appear

    Vassals appeared in Western Europe with the onset of the Middle Ages. They were the basis of the state system for many countries of that time

  • Eugene Beauharnais: short biography
    Eugene Beauharnais: short biography

    Eugene Beauharnais, whose biography will be discussed in the article, is the stepson of Napoleon Bonaparte, Viceroy of Italy, General, Prince of Leuchtenberg. He was born in Paris on September 3, 1781

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  • How to write an abstract: an example and tips
    How to write an abstract: an example and tips

    How to write an abstract? Many people ask this question, because the so-called "summary" ("description" from English) may be needed both for an article, and for a program or for any project. Depending on the details, the annotation may have special requirements. We will consider them

  • Wish you enjoy your meal in English
    Wish you enjoy your meal in English

    In the modern world, where communication "without borders" has long become the norm, knowledge of a foreign language is becoming a necessity. Every self-respecting tourist is obliged to master at least a minimal set of common expressions, such as "hello", "how are you?", "bon appetit" in different languages. This will allow you to establish contact and win over any interlocutors

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"Instruction" of Catherine II: the history of writing, its significance for the development of law and the activities of the established commission
"Instruction" of Catherine II: the history of writing, its significance for the development of law and the activities of the established commission

The "mandate" of Empress Catherine II is an important source on the history of Russian political thought in the 18th century. The history and sources of its writing, as well as the personality of its author, are described in this article

  • Unrecognized Palestine. Capital of Ramallah

    The article tells about the actual capital of the Palestinian Authority. It also briefly reports on the history of the conflict around Jerusalem between Palestine and Israel

  • Monk Schwartz Berthold - the inventor of gunpowder

    The article tells about the 14th-century German monk Berthold Schwartz, who became the inventor of gunpowder and gave the world a new deadly weapon. A brief overview of his life and related facts is given

  • Cold fire: several ways to surprise guests

    Surely everyone has seen how in the cinema or the circus people hold a flame on their hand, or even juggle or throw it. And if special effects in a film can be created using computer graphics, then in a circus it looks like a real miracle. In fact, this phenomenon has a completely scientific explanation and is called “cold fire” by chemists

  • Masachutes University of Technology: the history of the university and features of admission

    In Massachusetts, the University of Technology is one of the most prestigious universities in the world with a long history and an impressive list of famous alumni. Every year, thousands of applicants dream of seeing their name on the list of enrolled in the university, but only a few are lucky

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