A common stereotype is that metal is necessarily something heavy, durable, shiny. Of metals make tools and mechanisms, weapons and jewelry. Metals are used for weather protection and food storage. Even a stereotype penetrated the language - the phrase “take some piece of iron” has ...
The history of photography begins in 1822. The first fixed image was made by the Frenchman Joseph Nisefer Niepce (1765-1833). He captured the image with the help of light, unfortunately, this work has not been preserved to this day, so it is believed that the first shot is “View from ...
It is difficult to find people who do not like to travel. Even the most inveterate homebody will agree that lying on the seashore is no worse than on your own couch. But travel is not only Turkey or our south, but these are the most favorite (or affordable?) Destinations of Russian tourists. In the world ...
“Imagination is more important than knowledge. Indeed, knowledge is limited, while the imagination covers the whole world, stimulating progress, creating evolution, ”- Albert Einstein. The knowledge that we gain in physics lessons lays the foundation for all the other amazing things that we continue to learn....
Today, most of the things we can solve using computers (smartphones, tablets, etc.). Transferring money to an electronic bank account, writing letters, documents or surfing the Internet for many hours has become the norm for modern people. It seems to us that this is an integral element ...
The importance of ecology is enormous for every inhabitant of our planet. Only a careful attitude to the environment will enable the entire human race to keep the Earth suitable for life, and this is extremely important in our century, when the environment suffers a real disaster from man-made impact....
The universe has always been a curious place for many of us. We are all fascinated by its elements and always question its various secrets. “Universe” is the name that we use to describe the totality of all things that exist in space. It consists of trillions of stars, galaxies, ...
The first schools appeared in the Ancient East, in Sumer, approximately 2,500 thousand years BC. In them, young men were taught counting and cuneiform, after which they became priests or government officials. Unfortunately, we don’t recognize the name of the person who invented the school, because it has not survived in history....
A few decades ago, the teaching profession was the most popular. Modern youth have different ideals. Now in the field of education are only those for whom vocation is more important than high salaries. At least, in Russia at the moment this situation persists. But this is one of the most ...
Our solar system is an amazing place. Not only is it home to eight planets, it also contains several dwarf planets, hundreds of moons and thousands of stars and asteroids. Although most people believe that the edge of the solar system is the edge of Pluto's orbit, it is far from the truth. ...
Geography is a whole complex of complex sciences, the purpose of which is to study the structure of our Earth. Geographical research was carried out in the second millennium, when ancient people equipped expeditions in order to expand their meager knowledge of the world around them. After all, knowledge of the planet was so ...
Pisces is one of the largest constellations in the sky. This is one of the zodiac constellations, first cataloged by the Greek astronomer Ptolemy in the 2nd century. Pisces is the 14th largest constellation, covering an area of 889 square degrees. It is located in the first quadrant of the northern hemisphere (NQ1) ...
Chemistry is one of the most extensive areas about objects of nature, phenomena and processes. Also the science of many substances, their composition, properties. Chemistry considers everything at the level of atoms and molecules. She has many connections with physics and biology. Therefore, if you decide to study this subject, without knowledge ...
Jupiter is widely known throughout the world as a giant planet. This is one of the bodies with the largest volume and mass in the entire solar system. Scientists have always been very interested in knowing what is happening on Jupiter, but, unfortunately, there is still much that remains unknown. Despite ...
Of the 88 officially recognized constellations, there is only a handful that looks like an object, person, or creature that they should represent. The constellation Taurus is one of them. Look on any clear autumn or winter night, and you will find that the bull sweeps through the sky like a hunter ...
A star called Sirius is considered 25 times lighter than the Sun. But even so, it is not a record all over the world. It is worth noting that Sirius is 8.6 light years distant from other planets of the solar system (light year is a special unit of measurement that was created in astronomy)....
Mercury is thought to have been formed about 4.5 billion years ago, when gravity combined rotating gas and dust to form a small planet. Its small size, but the huge core is the result of a collision with another gigantic object, which "removed" most ...
Uranus is the seventh planet from the Sun and the first discovered by scientists. Although Uranus is visible to the naked eye, it has long been mistaken for a star due to the dimness of the planet and its slow orbit. Uranus (as it was commonly called after 1850 or so) was named after a Greek heavenly deity ...
Everyone knows the zodiac sign under which he was born. Books, manuals and sciences are devoted to this. People have been studying the effect of birth dates on a person since ancient times and are trying to predict their future fate and find out certain inclinations. This information is used not only to compile ordinary ...
Earth is the mother to billions of people and countless other living things, from bacteria hidden to the human eye, to multi-ton giants such as elephants. Predators, herbivores, insects, fish and birds have inhabited forests, deserts, steppes and seas for millions, billions of years, creating and changing ...
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