Physics. Schrödinger Grew Up, But the Questions Remained

Alla Borisovna Kazantseva — Candidate of Physical and Mathematical Sciences, Associate Professor of the Department of General and Experimental Physics of the MPGU, finalist of the RAN competition in 2019 and 2021 for the best works in the popularization of science. Physics — is one of those sciences that has made the world around us what it is: cars and trains, rockets and space stations, television, the internet, electron microscopes, mobile communications, and other benefits of technical civilization. Physics has allowed us to get answers to a variety of questions. What is noise pollution, why do some sounds destroy our bodies while others heal? Who will age faster: a person on Earth or an astronaut flying to another planet? Where does ubiquitous radiation come from and how does it affect us? What colors need to be mixed to get white? What ingredients are needed to create the Universe: ordinary and dark matter, dark energy — what else? Physics not only invents the most interesting puzzles but also gives precise, well-grounded answers to them. Don't believe it? Then try to calculate what is more: the stars in the entire visible Universe, the grains of sand on all the beaches of the Earth, or the molecules in a glass of water? You will find the answers to these and many other questions on the pages of this book.