When repairing an older 4x4's bodywork, you'll occasionally find out that the path of least resistance to the repair is to remove and replace a body panel. This could be due to rust or severe damage ...

Hackaday reader [David] was looking for a cheap and easy way to spot weld copper tabs together. As he notes in his writeup, the properties of copper which are most enticing, such as high thermal ...

I find myself in need of welding 40 18650 cells into a pack to rebuild a dead pack. It seems the normal method of doing this is spot welding the batteries together with thin nickel sheet. Does anyone ...