[slashdev]

But what it has done recently is allowed creation of much more powerful magnets. This is a new development, the practical application of these high temperature superconductors. I don’t know why it took so long to get there, but it has.

[howenterprisey]

HTS was available in ceramic form, but ceramics sorta suck to work with. So potential users had to wait for people to make them into wires, which was apparently a fat pain in the ass, and then for that technology to be commercialized, all of which took until the 2010s.