“Just as with sound waves, light waves emitted by a moving source show the Doppler effect. What we observe instead of the sound pitch is the color of the light: Red light has a lower frequency than blue light. If… — Henning Genz Copy Share Image
The incomplete knowledge of a system must be an essential part of every formulation in quantum theory. Quantum theoretical laws must be of a statistical kind. To give an example: we know that the radium atom emits alpha-radiation. Quantum theory… — Werner Heisenberg Copy Share Image
