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Dylan Hake struggles with a disobedient combination locker. (JUSTIN A. SHAW/The Patriot-News) One of the most important rites of passage for me when I entered middle school was having my first locker.

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 ...

My buddy bought a combination padlock at a garage sale. It was made by Master Lock, and was the model with the stainless-steel case with a black dial and white numbers ranging from 0 to 39. The ...

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 ...