If someone tells you a fact you already know, they’ve essentially told you nothing at all. Whereas if they impart a secret, it’s fair to say something has really been communicated. This distinction is ...

It is one of the most important laws of nature that we know: The famous second law of thermodynamics says that the world gets more and more disordered when random chance is at play. Or, to put it more ...

'You could say that Shannon entropy is a measure of how much information you gain from the measurement,' says Florian Meier (TU Wien). "If there is only one possible measurement result that occurs ...