There are some aviation observers who predict composites and titanium will rule the roost when it comes to aerospace airframes and structures. But that seems rather unlikely. Aluminum is still ...

Though its use has increased fourfold in the last decade, aluminum is still far from its peak of usefulness. To push it toward the peak, Aluminum Co. of America, which produces nearly half of all U.S.

T-slot extrusions used to be somewhat mysterious, but today they are quite common thanks to their use in many 3D printers. However, it is one thing to assemble a kit with some extrusions and another ...