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 ...

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The SwitchBot Lock Ultra can convert almost any existing door lock into a smart lock. Combined with the SwitchBot Keypad Vision, home entry doesn't get much more sci-fi than this—and I'm pleased to ...

When I installed the SwitchBot Lock Pro on my front door last year, it quickly became one of my favorite smart home upgrades. It was renter-friendly, worked with my existing deadbolt, and – with the ...

Look, we all know that Master combo locks, which go for $4 a pop, are not paragons of security. But damn, this looks easy. In a new video, hacker Samy Kamkar demonstrates a dead simple trick that he ...