It turns out that making a stylish leather case for your player yourself is not so difficult. We will need: 1. A little leather, the thicker the better 2. Thick cardboard or plywood 4. An awl 5. A blunt metal object 6. Water 7. A sharp knife.

An ultrasonic washing machine is designed for washing clothes using sound vibrations created in the detergent solution, the frequency of which is close to ultrasonic. The peculiarity of USM is that there is no mechanical friction during washing.

The idea of ​​this modding was the desire to create the effect of a visually empty body, a kind of illusion of endless emptiness. The design consists of two parallel mirrors, one of which is translucent, like in a laser cavity. If between these

A tumbler is an interesting toy that everyone will be happy to play with, and it’s not difficult to make. . .

This toy is very easy to repeat and is recommended for assembly with children of middle school age.Despite the general availability of the material (cardboard, paper clips, compact discs), it contains elements that require

The air-hydraulic model is one of the simplest types in rocket modeling. It is characterized by simplicity of design and operation. This model makes it possible to conduct many different experiments and, most importantly, get acquainted with the action