@tubetime Did you see how some memory modules were constructed? I would hate to have to deal with these rope memory modules in any way, shape, or form...
-- https://www.youtube.com/watch?v=hckwxq8rnr0 --
That said I had an old mini-mainframe things 30 years back that actually had a few cards of plane ferrite core memory and it used to dim the lights in my place when it turned on, and then again when loading/reading the memory. Quite surreal...