Discover the detailed process of building a custom metal bending machine from scratch. Follow each step from preparing the rusty flywheel to machining brass and aluminum rollers, assembling components ...

[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 ...

Discover the entire process of building a robust, custom hand-cranked metal bending machine, from selecting raw materials to delivering precise U-shape bends. This in-depth metalworking tutorial ...

Looking for a light project to teach young hackers some very basic electronics? Here’s a quick and easy weekend project, a simple metal detector! We all know 555 timers are very useful and pop up in a ...