"Demon" waves in metal conductors

[Bill_Janssen (Wigwam wool socks now on asymmetrical isolation feet!)]

Could this be the real secret to fancy cables?

An Invisible ‘Demon’ Lurks in an Odd Superconductor

[Marin_Weigel (Bram Stoker's Cappuccino)]

If they’re using strontium ruthenate, maybe?

[Bill_Janssen (Wigwam wool socks now on asymmetrical isolation feet!)]

Or possibly graphene, as well?