Science popularization for all ages! Sophie Laplante, professor at IRIF, contributed to issue 425 of Science & Vie Junior, which features an article on quantum science. After an introductory comic, it's time for clear explanations to better understand the quantum computer and demystify its promises. Encryption, keys, data, computations, and bits… These concepts are presented in an accessible way, allowing everyone, young and old, to explore the mysteries of quantum science with ease! Discover it in Science & Vie!