WIRED senior writer Andy Greenberg puts new homemade gunsmithing tools to the test as he tries three ways of building an untraceable AR-15 semi-automatic rifle---a so-called "ghost gun"---while skirting all gun control laws. From WIRED.
The Marine Corps is actively testing a robotic system outfitted with sensors and cameras that can be armed with an M240 machine gun. It's meant to keep Marines safe, but can do a lot more. There's also another big brother to this robotic system that's even bigger and can be equipped with a powerful mini-gun. From Business Insider.
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