One of the most complex and yet widespread mechanical systems is the gear train.
Just four centuries ago, the cocked hat of pirates was considered a distinctive feature of these gloomy sea robbers. IN
A box for spinners is an integral element of fishing equipment, without which no one can do
Festive matinees in kindergartens or elementary schools are often held in the form of theatrical performances.
Devices such as the activator have been known since ancient times, only earlier instead of neat store-bought ones
A sense of beauty is inherent in every person, so many try to decorate their home and garden with the best
What is a camera obscura? Camera obscura (lat. camera - “room”, obscura - “darkened, dark”) -
The concept of a console table appeared during the reign of Louis XIV. In those distant times
Low ambient temperature significantly reduces labor productivity and living comfort. That's why
Most preschool, school and teenage boys play war games. Then they save the world
