Adding numbers to your passwords makes them more secure. In fact, most sites and services these days require alphanumeric passwords at the very least. Some people ...

Create unique usernames in seconds for all your online accounts. We always emphasize the importance of strong passwords, but that’s only part of the equation. Your usernames also play a role in ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Very little in this life is truly random. A coin flip is ...

National Institute of Standards and Technology (NIST) scientists have created the first random number generator that uses quantum entanglement, providing traceable and certifiable confirmation that ...

If your name gets picked for jury duty, it’s because a computer used a random number generator to select it. The same goes for tax audits or when you opt for a quick pick lottery ticket. But how can ...

The outcome of quantum experiments is intrinsically unpredictable. Now physicists have combined that feature with blockchain techniques to generate random numbers in a fully transparent process for ...

Hardware There are a surprising number of programs designed to randomly kill processes on your computer until it crashes—or you wimp out Hardware Dell's CES 2026 chat was the most pleasingly un-AI ...

You know you should use random passwords. A lot of people don’t, though. So if you’re already on board this train, that’s fantastic. But you could be doing more ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...