Most projects we feature are of the metal/wire/wood variety, but there is an entire community devoting to making very interesting and intricate things out of paper. Imgur user [Criand] has been hard ...

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 in the ...

Careful what you leave in your lockers, high school students and gym-goers. An invasion of 3-D printed robots may be coming, capable of popping one of the world's most ubiquitous brands of combination ...

There's a device out there that can take any Master combination lock and open it in a few seconds — so if your life savings are secured by one of these venerable padlocks, you might want to grab ...