For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a special rule, known only to you and your intended audience.

It used to be that to get into your home, you needed a key. If you lost that key, you either had to call a locksmith (or maybe your landlord) or break into your own home. If you happened to be 10-year ...

My sister got locked out of her house for the third time in six months last spring. She called from her porch, frustrated and embarrassed, waiting for a locksmith to charge $200 for ten minutes of ...

We use keys and locks all the time, but how do they work? There are many types of lock, but the most common is called a Pin Lock. Tears for boys stabbed to death in 'heinous' attack CBS News says it ...

Aqara’s new U400 smart lock is the first to use Apple’s UWB-based hands-free unlocking, and it works every time, even with full hands. If you buy something from a Verge link, Vox Media may earn a ...