Soldering is the act of joining two metals together by melting a filler metal between them. The filler metal, called solder, has a low melting temperature. There are many kinds, but we use a lead-free rosin-core solder in class. This variant is non-toxic and self-cleaning. It's important to have a nice soldering iron as well— Weller is a reliable brand.
To solder, anchor one or both of the targets. Tin each target by holding the solder and the iron to the target for two seconds. Then hold the targets together, and apply the solder and iron at the junction. To desolder, apply fresh solder to the joint and use a sucker or wick if necessary.
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