Time can provide important insight into student performance. Too often it is used only as a constraint. Over the past four years, discussions about grading and assessment have turned towards questions ...

For 20 years, the only way to really communicate privately was to use a widely hated piece of software called Pretty Good Privacy. The software, known as PGP, aimed ...

The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...