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Flying machines are heavier than air impossible! - once one famous mathematician said, and in just one and a half years, the first plane of the Rait brothers took away from the ground. And this is just one of the many examples of technical progress, which does not stop for a minute. So, a displacement of a simple knife came a food processor, the fan was replaced with air conditioning, the broom was improved to the vacuum cleaner. Today, we surrounds such many different devices and mechanisms that we no longer imagine our lives without all of these useful devices. And not only household appliances develop, but also industrial.
What is inside the reflector telescope? How is the hydroelectric power station? Why does the refrigerator cool the products, and the microwave is heats up? How does TV catches channels? What happens when we turn on the washing machine? Answers to these and other questions you will find on the pages of our book. At the same time, you will not only learn the history of the invention of the useful machines and appliances, and thanks to detailed drawings and schemes will look inside and understand how they are all arranged.
For mid-school age
What is inside the reflector telescope? How is the hydroelectric power station? Why does the refrigerator cool the products, and the microwave is heats up? How does TV catches channels? What happens when we turn on the washing machine? Answers to these and other questions you will find on the pages of our book. At the same time, you will not only learn the history of the invention of the useful machines and appliances, and thanks to detailed drawings and schemes will look inside and understand how they are all arranged.
For mid-school age
Author:
Author:Likso Vyacheslav Vladimirovich
Cover:
Cover:Hard
Category:
- Category:Engineering & Transportation
- Category:Science & Math
Paper:
Paper:Coated
Series:
Series: Children's Encyclopedia
ISBN:
ISBN:978-5-17-097646-1
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