Additional Details ------------------------------ Subject keyword: Quantum state; Theoretical physics; Prediction; Quantum mechanics; Stern–Gerlach experiment; Theory; Quantum entanglement; Configuration space; Bell's theorem; Probability; Many-worlds interpretation; Measurement; Amplitude; Interferometry; Singlet state; Double-slit experiment; De Broglie–Bohm theory; Measurement problem; Wave function collapse; Quantum field theory; Physicist; Quantum decoherence; Classical physics; Pilot wave; Objective collapse theory; Spinor; Density; For All Practical Purposes; Point particle; Magnetic field; Microscopic scale; Probability measure; Space; Density matrix; Neutrino; Ontology; Degrees of freedom (mechanics); Electric charge; Cathode; Universe; Philosopher; Initial condition; Hypothesis; Calculation; Probability theory; Axiom; Theory of relativity; Mathematics; Renormalization; Wavelength; Cathode ray; Anode; Universal wavefunction; Macroscopic scale; Superposition principle; Principle of locality; Uncertainty principle; Particle number; GHZ experiment; Equation; Cathode ray tube; Linearity; Classical mechanics; Newton's law of universal gravitation; Complex number; Creation and annihilation operators; Planck constant; PBR theorem; Classical field theory; Quantity