Meet the dwarfs Alex and Mishun! The inquisitive brothers, together with young readers, will embark on an exciting journey and explore what the fundamental forces of the universe, space, sound, light, energy and warmth are. With the help of colorful illustrations and interesting stories, you will learn a lot about the world around you: how different animals see and hear, how a water skater manages to run on water, how stars are born and die, and how life on Earth developed. Fall in love with physics and make new discoveries one after another!Kazantseva Alla Borisovna – Candidate of Physical and Mathematical Sciences, Associate Professor of the Department of General and Experimental Physics at Moscow State University, finalist of the RAS 2019 and 2021 competition for the best works on popularization of science.For middle and high school age.