You know 3D-printing has hit the big leagues when the military starts using the technology to produce weapons. Researchers at the U.S. Army Armament Research, Development, and Engineering Center last ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, America's detectives have made breakthroughs in crime using gun traces. A homicide investigator typically uses ...

3D-printed guns are a growing threat to public safety. The blueprints used to make these firearms can be found online, making them easily accessible. With a relatively cheap 3D printer and a quick web ...

For decades, America's detectives have made breakthroughs in crime using gun traces. A homicide investigator typically uses ballistics and serial numbers of weapons checked via a vast network of gun ...