The author of this book, scientific researcher, professor, doctor of physical and mathematical sciences A. and . Chinatown, you will not reproach in any way for timidity . What questions does he not try to answer on the pages of his book! How to find a measure of patience? Is telepathy possible? How are the costs of scientific trips and conferences justified? What is the comparative weight of the natural and applied sciences? What does the word 'explanation' mean? Is there a difference between man and machine? How has physical thinking changed since the time of Aristotle? How does a young man choose a profession?.. And this is only a small part of the problems raised by the author. But the stories about them serve one purpose' to show the reader the role of physics in natural science and the role of natural science in science and life. I will add from myself - an entertaining popular science reading, like most of the other books of Kitaigorodsky ..