[Hyna] has spent seven years working with electron microscopes and five years with 3D printers. Now the goal is to combine expertise from both realms into a metal 3D printer based on electron-beam ...

Don't believe me? A quick search will bring up garage blacksmithing setups and basement robotics workshops, but those are small-time. The DIY/maker movement is most impressive not when it rivals ...

Now printers can make metal objects quickly and cheaply. While 3-D printing has been around for decades, it has remained largely in the domain of hobbyists and designers producing one-off prototypes.

As a US Marine Corps combat engineer serving in Iraq, Jim Monroe used MacGyver-like hacks to repair mine rollers. Meant to detonate and clear mines, these heavy studded wheels are mounted on the ...