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 ...

In 2011, brothers John and Hank Green created an educational YouTube channel called “Crash Course” with the goal of spreading high-quality educational videos for everyone, free of charge. A year later ...

What good is backing up your data if you can't get it back? The goal of this Crash Course on recovery is to make sure you can effectively and efficiently recover data no matter what iteration of the ...

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 ...