If you fancy yourself as a budding sleuth, hacker or code-breaker, GCHQ has released its annual Christmas challenge and is ...

Nowadays, it seems that we cannot do anything without passwords. Experts constantly warn us to be careful about using passwords that can be easily figured out by bad actors, advising us to create long ...

When the anonymous designers of Toyota subsidiary Denso Wave invented the QR code to track vehicle manufacturing processes, I wonder if they knew what they had wrought. Like the UPC before it, the QR ...

A good puzzle is an ideal way to relax after a hard day of dealing with what the world throws at us from inflation to the latest security concerns. The 2 Million Dollar Puzzle, however, adds an extra ...

Almost everyone loves putting puzzles together, especially on cold and wintry nights. But we’d wager that no one ever thought they could get rich from it. Well, it turns out, maybe you can — If you ...