[Radu Motisan] wrote in to share a cool project he has been working on lately, a pulsed microspot welder/cutter. The device is capable of spot welding thin metals such as foils and battery tabs by ...

That’s the work of a spot welder. Spot welding is one of those processes that doesn’t offer much in the way of alternatives; either one uses a spot welder to do the job right, or one simply ...