New posts in Measurements

Does a measurement always require the exchange of energy?

How do laser "tape measures" work?

How precise can current technologies measure the mass of an object?

How well can we localize gravitational wave sources?

What are the longest half-lives we can detect experimentally? What stops us going further? Are we trying to?

What is the experiment used to actually observe the position of the electron in the H atom?

Is a "shift in the meaning" of Accuracy and Precision occurring?

Is the Uncertainty Principle valid for information about the past?

Are negativity of the Wigner function and quantum behaviour equivalent?

How is a second measured? And why is it measured that way?