If there’s one thing we’ve learned after watching eight bazillion YouTube videos from engineers, it’s that shooting stuff from wrist gadgets is awesome—even ...

Over the last few years, we’ve shown you several of the jaw-dropping creations of engineer and YouTuber the Hacksmith. He’s made a career of bringing the kind of ...

The YouTuber and his team at Hacksmith Industries in Kitchener, Ont., have created a hyper-realistic, retractable plasma lightsaber that reaches a scorching heat of 2,200 C. "That's above the melting ...