However, it's toxic and bad for the environment. Many solders contain a rosin core, which aids in cleaning the wires you're ...

Passive components like resistors or small ceramic capacitors don ... saving your finger tips from burns by holding wires in place while you solder them. To successfully solder a component ...

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 ...