Cited as a reference ยท for some experience
THE STRONGEST MAGNET IN THE WORLD
Why people recommend it
Shows how a very high field laboratory magnet is built from stacked copper plates and insulators rather than wound wire, cited as an unusual coil construction.
Watch for: The relevant section starts around four minutes in
In their words
Look from 4:08 onwards in the following YouTube video.
KalleMP - CoDidact fan on electronics.stackexchange.com, Feb 2016. CC BY-SA.