Yes, I read the headline and wondered whether it was K or C (not knowing that you don't talk about degrees K). I assumed it was C as 140K doesn't seem anything to write home about. It would never have entered my head that it would be F.
Thanks for the perspective prabhakar_deosthali, there are so many energy savings we could reap from room-temperature superconductors their almost innumerable. They have already enabled many advances that are worth the trouble of super cooling, like MRIs, but I'm still convident one of these brilliant minds working on the problem will crack the theory for room temperatue operation.
Yes, you'd think with all the researchers working and thinking about superconductivity they would have cracked its secret by now. Roman Mankowsky and his collaborators think they have gotten a toe-hold, but are still a long way from steady-state DC.
If we have superconductors that work at ambient temperatures then it will be a great way to reduce transmission losses in the long distance transmission lines . It can also rduce the heat losses ( and the required cooling to keep the circuits cool).
Superconductors could save many a megawatts of electricity that goes waste as heat in the normal conductors.
When I saw the headline I assumed it meant 140K, and thought "nice bump, but still a long way to go". 140F or 140C would both be wonderful, but there's currently a pretty big caveat attached to it.
I'm still shocked we haven't figured out superconduction works - if we did we'd probably lick the problem of high temperature superconducting materials in a few years. Right now we're still mostly guessing based on materials that are similar to other known superconductors.
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