The best TSA-approved luggage locks keep your belongings secure but can be opened easily for routine inspections. Here are our top picks for 2025.

Imgur user [Criand] has been hard at work on his own project made entirely out of paper, a combination lock that can hold a secret message (reddit post). The motivation for the project was as a ...

When it comes to flying with checked bags, keeping your luggage protected from theft and damage is generally at the top of ...

Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat ...