# Quantum Mechanics | ![img \|150](https://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Hydrogen_Density_Plots.png/320px-Hydrogen_Density_Plots.png) | **Quantum Mechanics** is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms. It is the foundation of all quantum physics including quantum chemistry, quantum field theory, quantum technology, and quantum information science. | |-|-| | | wikipedia:: [Quantum mechanics](https://en.wikipedia.org/wiki/Quantum_mechanics) | ## Inbox - [[Uncertainty Principle]] - [[Principle of Relativity]] - [[Wave–particle Duality]] - [[Erwin Schrödinger]]'s cat - [[Double-slit experiment]] - [[Quantum superposition]]