Physics students are still taught this measurement-disturbance version of the uncertainty principle in introductory classes, but it turns out that it's not always true.

What is the meaning of Heisenberg’s analogy? (Courtesy: German Federal Archives) A row has broken out among physicists over an analogy used by Werner Heisenberg in 1927 to make sense of his famous ...

Bayesian uncertainty analysis represents a powerful statistical framework that integrates prior knowledge with observed measurement data to quantify uncertainty in a consistent probabilistic manner.

In 1993 the International Organization for Standardization (ISO), in cooperation with several other international organizations, issued Guide to the Expression of Uncertainty in Measurement in order ...

The uncertainty relation between the measurement and any other incompatible variables wouldn't be present in the quantum memory, however, allowing observers to see exact measurements for two ...

So in the first chart above, the reading at the right hand edge indicates that for the last 30 days, an average of just under 12 per cent of the news articles referred to trade policy uncertainty.