Science and technology

This encyclopedia will interest all the guys without exception. After all, it contains exhaustive information about the history of the appearance and use of a person of various machines and mechanisms. With their existence, they noticeably facilitated and in many ways changed our life. Fascinating descriptions that are accompanied by detailed schemes and drawings will help you to get acquainted with the most common types of technical devices, to understand their work. And entertaining facts from the field of science and technology and numerous illustrations will help to better learn information.