Pressurized water guns have been popular since the 1980's. And while it's impossible to confirm, BackyardScientist might be the first to combine the idea with molten metal. It looks like half of its ...

A pint-sized gun that shoots a spray of molten metal is saving U.S. wartime industry hundreds of thousands of dollars and hours of labor. The Army & Navy have 750 of these hot-metal guns in use this ...

Depending on who you are, where you hail from, and where you stand on guns, 3D printing and related issues, this bit of news will either thrill and astound you, terrify you, or compel you to say “meh.

When Cody Wilson revealed the world's first fully 3-D printed gun last year, he showed that the "maker" movement has enabled anyone to create a working, lethal firearm with a click in the privacy of ...

A 3D printing services company has built a fully functioning, semi-automatic pistol and shown that it works just as a traditionally manufactured gun. Built by Solid Concepts, the pistol is a replica ...