Hack a Day member Caleb Kraft has created a custom Portal gun capable of levitating a Companion Cube. Kraft posted a detailed description and video of his project on the Hack a Day website. "Of course ...

I was out to lunch with a couple friends, brainstorming ideas for fun projects when one of them says “Wouldn’t it be cool if we could build a working gravity gun?”. We all immediately concurred that ...

Sure, everyone and their mother has made a custom Portal gun at this point, but the fine folks at Hackaday have raised the bar into the stratosphere. The floating Companion Cube effect was ...