The solder will bubble away the enamel and tin the copper underneath in the process. Magnet wire is a thin ... You can see him demonstrate this around the 1:00 mark in the video embedded below.

It is a common grade school experiment to wind some wire around a screw ... an electromagnet nor a permanent magnet will pick up nonferrous items like copper or aluminum. While technically ...

The ring in the middle has a circle of magnets around its edge. When this spins, electricity flows through the coils of copper wire that surround it. (Mike Hudson / Alamy Stock Photo) In power ...

The ring in the middle has a circle of magnets around its edge. When this spins, electricity flows through the coils of copper wire that surround it. (Mike Hudson / Alamy Stock Photo) In power ...