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4 Ways Quantum Computing will Change the World Quantum Computers Will Answer Crucial Questions About the Universe How does a quantum computer work? Quantum computers do this by substituting the binary “bits” of classical computing with something called “qubits.” Qubits operate according to the mysterious laws of quantum mechanics: the theory that physics works differently at the atomic and subatomic scale. It is believed that quantum computers will be powerful enough to answer some of the most serious questions about life and the universe. The only way for a quantum computer to tackle such complex questions is if it can represent a range of possibilities at once. The common computer only works with digital bits, which are just zeros or ones. Quantum bits, or qubits, can be both zero and one at the same time. This allows them to perform more calculations simultaneously than a regular computer could do in the same amount of time. This means that these computers have the potential to solv...