![Uncertainty Principle Image source: HyperPhysics Uncertainty Principle Image source: HyperPhysics](http://www.timeone.ca/wp-content/uploads/2013/03/Uncertainty-Principle-e1403806286883.jpg)
Classification: theory
Chapter: Quantally Speaking
Heisenberg’s uncertainty principle says that with certain pairs of variables such as momentum and position, or energy and time, the more precisely one knows one the less one knows about the other.