(Reuters) - A hacker, known for unleashing a worm on the once-popular MySpace social network, said he has devised a technique to crack under two minutes any combination by Master Lock, a padlock ...

I've used a Combination Lock for years but I've never really understood how it works until I made this video. The combination lock that I used in this video was from Master Lock but there are other ...

Explore the intricate mechanism inside a combination lock in this detailed animation. The video is available in over 20 languages; you can change the audio track language in the Settings menu. This ...