After some serious number crunching, a researcher says that he has come up with a mathematical model for a viable time machine: a Traversable Acausal Retrograde Domain in Space-time (TARDIS). He ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Some people won't mind if you keep your screen visible, but that doesn't mean you should let yourself be distracted. Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, ...

When signing in to Windows, a password is the default option. But remembering a strong and complex password can be a hassle. Instead, you can try biometric technologies supported through the Windows ...