Law enforcement officials from across the country are concerned about a simple, cheap device that can make a typical handgun ...
A tiny, cheap device, known as a "Glock switch" or a "machine gun conversion device," allows criminals to convert a handgun ...
NASA hot fire tested an aluminum 3D printed rocket engine nozzle. Aluminum is not typically used for 3D printing because the process causes it to crack, and its low melting point makes it a ...