What we want is a Star Trek-style replicator. What we have are a bunch of different machines that can spew out various 2D and 3D shapes. For the foreseeable future, you’ll still need to post-process ...

Many of us have wondered at least for one time that how do people precisely cut materials like stainless steel, aluminum, brass, and copper? Well, they basically use a technique called plasma cutting ...

What hacker doesn’t want a plasma cutter? Even if you aren’t MacGyver, you can probably build this one in a few minutes using things you have on hand. The catch? You probably can’t cut anything more ...