| 1923: Louis de Broglie propses an equation for the wavelgnth of a particle | |||||||||||||||||||||||||||||
| 1925: Wolfgang Pauli discovers the Pauli Exclusion principle | |||||||||||||||||||||||||||||
| 1926: Erwin Schroedinger introduces quantum mechanics with his equaion describing the electron in an atom. | |||||||||||||||||||||||||||||
| 1927: Heissenberg establishes his uncertainty principle | |||||||||||||||||||||||||||||
| 1928: Raman Scattering is discovered | |||||||||||||||||||||||||||||
| 1932: The first splitting of the atom via a particle accelerator is done by Cockroft and Walton | |||||||||||||||||||||||||||||
| 1932: Beckman invents the pH meter | |||||||||||||||||||||||||||||
| 1946: Nuclear Magnetic Resonance (NMR) is developed by Purell and Broch | |||||||||||||||||||||||||||||
| 1985: The fullerenes are discovered by Kroto, Smalley, and Curl | |||||||||||||||||||||||||||||