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Why are maglev trains still rare?
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~Icon~ ~by~ ~@Double_A@discuss.tchncs.de~
Not replicated, they found some anomalies in the samples skewing the results
https://futurism.com/room-temp-superconductor-fails-work-replicated
https://www.newscientist.com/article/2386866-lk-99-mounting-evidence-suggests-material-is-not-a-superconductor/
Thanks for the summary and the links!