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 ...

Explore the mechanics of a combination lock in this detailed video.

Open a gate or unlock your bike at just the press of a finger with Tapplock One+. Photo: Ed Hardy/Cult of Mac The combination lock you used in school is a dinosaur now. It’s been replaced with much ...