More than 150 years after Linus Yale Jr. invented the cylinder pin-tumbler lock (you know, the combination lock keeping your bike, locker, and luggage safe?), we are still stuck trying to remember ...

We know this isn't exactly high security, but if you have trouble remembering the combo for your gym or school locker, the $5.98 Wordlock from Staples could be the perfect solution. With only five ...

I have a hard time remembering numbers. I frequently forget my PIN. If I really, really like you I might remember the month or day of your birthday, but never both. I’ve forgotten the code to every ...