I wonder if we can use these superconducters on spacecraft and probes. Maybe we can place superconducting links on the outer hull of a spacecraft heading to Mars, or a probe heading into outer space.
Cooling them would still be a problem.
The sunny side might not be the best place for them.
They might find a niche in some instruments in probes, but for wiring it does not make sense.
The rest of the probe electronics don't like being that cold.