"The Quantum Universe" can refer to a couple of different concepts depending on the context. 1. **Quantum Mechanics in Physics**: In a general sense, it refers to the fundamental framework of physics that describes the behavior of matter and energy at very small scales, such as atoms and subatomic particles. Quantum mechanics challenges classical intuitions about how the universe works, introducing concepts such as wave-particle duality, uncertainty principle, superposition, and entanglement.
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