which depends on a little prep work to end up only slightly more complex than soldering to copper. A typical way to make a reliable electrical connection to aluminum is to use a screw and a wire ...

For this reason, it is important for the filler metal to have a lower melting point than the metals being joined. Soldering creates a "reasonably permanent" seal, meaning that the joint should hold ...

The idea is to make soldering a one-handed task by combining the soldering iron and a solder wire feeder into one compact package. The solder feeder is very reminiscent of a filament extruder on a ...