 Von Neumann–Wigner interpretation

The Von Neumann–Wigner interpretation, also known as the "conscious observation" or "observer's role" interpretation of quantum mechanics, is a philosophical perspective on the measurement problem in quantum mechanics. It arises from the work of mathematician John von Neumann and physicist Eugene Wigner. ### Key Aspects: 1. **Quantum Measurement Problem**: In quantum mechanics, particles exist in superpositions of states until measured.