News for hackers. Stuff that matters.

A comment on A Room-Temperature Superconductor? New Developments. Parent comment

Re:A Room-Temperature Superconductor? New Developments by roywiggins on Tuesday August 01, 2023 @01:11PM (#36958972)
Superconductors have a critical field, you can't pump unlimited amounts of current through a superconductor.

(I think there were some comments going around that this material has quite a low critical field, so there would have to be some substantial improvements on this even if it is superconducting)

https://en.wikipedia.org/wiki/Critical_field

[ Parent | on HN ]
Re:A Room-Temperature Superconductor? New Developments by AlexandrB on Tuesday August 01, 2023 @02:27PM (#36960237)
I remember going down the rabbit hole on superconductors a few years ago and finding out that they were limited by a critical field. It was both reassuring and disappointing and largely for the same reason - there's no truly "free lunch" in nature.
[ Parent | on HN ]