Quantum Mechanics
Quantum Mechanics is a fundamental branch of physics that studies the behavior of matter and energy at the smallest scales, typically at the level of atoms and subatomic particles. It introduces concepts such as wave-particle duality, uncertainty principle, superposition, and quantum entanglement, which challenge classical intuitions about the nature of reality. Quantum mechanics has significant implications for various fields, including chemistry, materials science, and quantum computing, and it forms the basis for understanding phenomena that cannot be explained by classical physics.