Did you know that there is a world where objects can be in thousands of places at once? A world where you cannot measure the exact position of an object, no matter how hard you try? A world where objects located at opposite ends of the universe can communicate instantly? A world where you cannot be sure of anything, since it is based purely on probability? Welcome to the world of quantum mechanics, undoubtedly the most interesting and controversial physical theory of all time! Quantum contains: • Intelligible explanation of the basic phenomena of quantum mechanics divided into 13 chapters • 60 test questions divided into 4 tests, where you can test your knowledge of quantum mechanics