Sometimes we need the look, feel, and weight of a metal part in a project, but not the metal itself. Maybe you’re going for that retro look. Maybe you’re restoring an old radio and you have one brass ...

Metal 3D printing has long promised aerospace-grade parts at desktop scale, but titanium has stubbornly resisted that vision. A new approach called cold metal fusion is changing that equation, turning ...

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 ...