We hope that the lack of formulas in the book will not scare off potential readers. Sean Carroll - theoretical physicist and one of the world's most famous popularizers of science - makes us take a fresh look at physics Collision with the main mystery of quantum mechanics will completely change our understanding of space and time Most physicists do not realize the unpleasant fact: their favorite science is in crisis since 1927. In quantum mechanics, from the very beginning, there were glaring gaps that were simply ignored. Popularizers are constantly saying that quantum mechanics is something strange, inaccessible to understanding ... To put everything in its place, it is enough to admit that in the Universe we do not exist in one instance. Sean Carroll infinitely many . As do all of us.. Thousands of times per second in the universe there are more and more of our copies. Every time a quantum event occurs, the world is duplicated, creating a copy in which the quantum event never happened. In quantum mechanics, there is nothing mystical or inexplicable. It's just physics. PDF A4 saved publishing design.