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Loop Quantum Gravity
Examine the theory that quantizes spacetime itself without using strings.
📝 Treść promptu
Describe the fundamental premises of Loop Quantum Gravity (LQG) as a competitor to String Theory. Explain the concept of 'spin networks' and how they describe the quantized structure of space. Discuss how LQG attempts to unify General Relativity and Quantum Mechanics without requiring extra dimensions.