Everything that every educated boy should know about technology

How do modern boys become educated in such a topic necessary for each of them, as a technique? We need a reliable conductor in the sea of ​​technical information, for example, like this book, compiled in the form of a reference inspection. It is here that young allovers will find answers to most of their questions regarding technology. What made the ancient person come up with a wheel? Where are horsepower in the car "hidden? Is the airbag is so safe? Is it easy to download black gold? The escalator and excavator - who carries and who digs? What is related to a submarine with a shark? What is in common in the unique and sailing ship? "Universal Soldier", or who was Leonardo da Vinci? And finally, the eternal engine is a reality myth? The answers to these questions and many other useful knowledge about the technique that the educated boys should have are contained on the pages of this beautifully illustrated publication.
For secondary and senior school age