Today we’re going to talk about how to keep information secret, and this isn’t a new goal. We’re going to walk you through some common encryption techniques such as the Advanced Encryption Standard ...

We’ve long known that our digital cameras and smartphones can take incredibly detailed images, but taking pictures is not quite the same thing. For the past half-century, computer scientists have been ...

Patricia Mullaly's computer classes are packed, with people who need to learn a skill. It's a six hour crash course to learn the Excel software program, a program almost anybody looking for a job must ...