Education, self-education and personal growth - methods, lessons

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Sodium hydroxide, its physical and chemical properties
Sodium hydroxide, its physical and chemical properties

Sodium hydroxide is an alkali that has found wide application in various branches of human economic activity due to its reactive nature

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China's Terracotta Army. Terracotta Army of Qin Shi Huang
China's Terracotta Army. Terracotta Army of Qin Shi Huang

Qin Shi Huang, who was the ruler of the Qin kingdom, was the first in the world to form a centralized power structure. To strengthen the integrity of the state, he undertook various major transformations

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Technical revolution: causes, stages of development and impact on scientific and technological progress
Technical revolution: causes, stages of development and impact on scientific and technological progress

Technological revolution is a term used to describe a period when one or more technologies are replaced by another technology in a short period of time. This is an era of accelerated technological progress, characterized by innovation, the rapid application and dissemination of which cause dramatic changes in society

  • Time difference between Moscow and Sakhalin: adaptation tips

    The time difference between Moscow and Sakhalin is 8 hours. Working days in these areas do not coincide. This hinders not only business partnerships, but also interaction with the central government apparatus

  • Luminous flux - what is it?

    The power of visible light radiation, which is estimated by the sensation of the human eye and measured in lumens, is the luminous flux. This is the energy that any light source gives

  • King Arthur and the Knights of the Round Table

    Numerous descriptions of the exploits of the majestic knights of Britain reach our days. So who is King Arthur, and what is his legend?

  • Such a variety of UK symbols

    What symbols of Great Britain do you know? The flag, the Tower, Big Ben, the bridge across the Thames… This huge country has many interesting emblems, which are associated with charming legends