Quantum physics' Many Worlds Interpretation (MWI) posits that every quantum event spawns separate, parallel universes for each possible outcome, challenging traditional quantum mechanics interpretations. Introduced by Hugh Everett in 1957, MWI hypothetically creates infinite universes, exemplified by different lottery outcomes. Though purely theoretical, it prompts reflections on decision-making and reality, with potential quantum computing applications, yet remains one of many contested quantum theories.