Imagine trying to design a key for a lock that is constantly changing its shape. That is the exact challenge we face in ...

Data mining is the process of extracting potentially useful information from data sets. It uses a suite of methods to organise, examine and combine large data sets, including machine learning, ...

One of the joys of browsing secondhand shops is the possibility of finding old, perhaps restorable or hackable, electronics at low prices. Admittedly, they usually seem to be old flat-screen TVs, ...

The electronic structure of atoms and molecules is the series of energy levels that it are possible for a bound electron to occupy. This electronic structure determines many of the defining ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...