A mnemonic device, or memory science, is any learning technique that aids information retention or retrieval (remembering) in the human memory for better understanding. memory science In a layman explanation, a child learns anything by mugging up that is rattamar. memory science classes help students to learn the art of learning anything using fun and interesting way and methodology which are scientifically designed. Learn long questions and answers, word meaning, periodic table,memory science classes  science diagrams and many more memory science classes.