this post was submitted on 29 Jul 2023
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It's waiting for peer reviews, but if you understand what quantum well is, you could probably understand the claim.
It is waiting for reproducibility is what it is. It won't matter much if it got published today in some no name journal -- a journal is going to gamble just as this youtuber did, for the slim chance of this being true (not saying it isn't)
Also, a quantum well is just particle in a box. Nothing fancy about it. Guy mentioned tunneling a lot but tunneling happens in metal, semiconductor, and insulator. Doesn't really mean anything. In fact if you need to tunnel, that means there's a chance to back scatter, so it won't be superconducting.