Big Encyclopedia of the Young Inventor

Each inventor once asked himself questions: How does this or that or another work works?, Is it possible to make it more perfect?, And what if you try to construct such a device like which humanity has not yet seen?. If you like to think about these questions and you, then you have every chance of becoming a real inventor! And this encyclopedia, undoubtedly, will help you. She will introduce you to many of the most important discoveries and inventions that have changed in one degree or another: from mastering fire before conquering outer space. In addition to interesting information, accompanied by bright informative illustrations, the book contains master classes, thanks to which you can independently make the simplest devices, which at one time have become a real breakthrough in the history of the invention: sundial, compass, barometer, etc.
middle school age