I run some wire around a large neodymium magnet.
Here is the other video I mentioned: https://www.youtube.com/watch?v=YledrMyoqgs
Excellent video on the subject by Matthias Wandel: https://www.youtube.com/watch?v=G2XECoY3TKs
Help me make videos by donating here: https://www.patreon.com/CodysLab
Shorting out the contacts: https://www.youtube.com/watch?v=W91LtHWemdA
