+**Quantum superposition** is a core principle of [quantum mechanics](/wiki/quantum_mechanics) where a quantum entity, such as a particle, can exist in multiple [quantum states](/wiki/quantum_state) simultaneously. It's as if a coin is both heads and tails at once until it is looked at. Only through [measurement](/wiki/measurement) does the system resolve into a single, definite state.
+## See also
+- [Quantum Entanglement](/wiki/quantum_entanglement)
+- [Schrödinger's Cat](/wiki/schrodingers_cat)
+- [Quantum Computing](/wiki/quantum_computing)
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