MAGNETS!

I love how magnets work.  I love learning about how they work.

This YouTube "History TV" video below is about magnets.  It's about 45 minutes long (with about 4 or 5 commercials throughout).

Magnets Video

This link below is to "Ohio Magnetics".  They are mentioned in the video as being in business since 1917.

"Ohio Magnetics" Company Website