A book about quantum physics offers mysterious questions: does the Moon exist if no one looks at it? Is it possible for the world to “split” into parallel realities? How big is a quantum leap—and how does quantum physics relate to psychology? The author, a professional nuclear physicist, explains the basic concepts of quantum physics with humor and discusses their significance in life. The book will help you look at the world and events in a new way, understand the laws of the Universe, and manage your life better.