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

In the north of Namibia lives an amazing tribe that few people knew about. Its inhabitants, who had no contact with white people, for a long time did not allow journalists to visit them, and after several reports, interest in them increased incredibly. The Himba tribe, whose photos were often printed in various publications, observes ancient customs, worships the souls of the dead and the god Mukuru, breeds cattle and does not shed other people's blood. They lead a peaceful existence in a lifeless desert, in conditions of severe water shortage

Tact - what is it? When we talk about her, we tend to imagine a polite person who treats others with respect. But in fact, there is a difference between politeness and tact, what is it? To answer this question, we will give information about the latter in more detail

Line spectra - this is perhaps one of the important topics that are considered in the 8th grade physics course in the optics section. It is important because it allows us to understand the atomic structure, as well as to use this knowledge to study our Universe. Let's look at this issue in this article

The Van de Graaff generator was invented at the beginning of the twentieth century. It was used for various purposes, in particular, for nuclear research. Later, the use narrowed. Today you can buy it as a toy and demonstrate to children the levitation of various objects. You can also build a generator yourself. Then it will become an excellent training model with which various experiments are carried out