Entropy is one of the most useful concepts in science but also one of the most confusing. This article serves as a brief introduction to the various types of entropy that can be used to quantify the ...

The clock the team used to demonstrate this principle consists of a pair of quantum dots coupled by a thin tunnelling barrier. In this double quantum dot system, a “tick” occurs whenever an electron ...

We seem to be having much better luck with software entropy since we switched to OS X (especially in the more recent versions). I find the relatively complete separation of dynamic data (user files, ...