DIY spot welders often use high-powered components that can be a bit frightening, given the potential for dangerous malfunctions. [Wojciech “Adalbert” J.] designed his capacitive discharge spot welder ...

For sheet metals and plates, resistance spot welding remains a widespread choice for joining similar metals. It is inexpensive and the resulting joints are strong and reliable. That’s why resistance ...

There was a time when every gizmo on AliExpress also had a big white LED so it could also work as a flashlight, but maybe the power bank is the new flashlight. [Aaron Christophel] has a battery spot ...

Back row: Two tube sections before and after joining. Front row: A typical fuel-system component assembled with the ADRW process. ADRW may also replace furnace brazing in some cases, once considered ...