Video games, movies, and modern militaries are all full of robotic gun turrets that allow for remotely-controlled carnage. [Paul Junkin] decided to build his own, albeit in a less-destructive ...

It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of giving away the boat’s location. Radar has a similar problem. If you want ...

Build decentralized, long-range mesh networks with Haven - a complete open-source solution for creating self-healing IP networks that share internet access across kilometers without any central ...