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Why are maglev trains still rare? (lemmy.ml)

submitted 1 year ago by frightful_hobgoblin@lemmy.ml to c/asklemmy@lemmy.ml

147 comments fedilink hide all child comments

They were invented decades ago.

They have fewer moving parts than wheelbois.

They require less maintenance.

There's obviously some bottleneck in expanding maglev technology, but what is it?

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[–] Natanael@slrpnk.net 4 points 1 year ago

Technically.... We actually do, but not simultaneously room temperature AND room pressure. There's one known material known to be superconducting at absolutely insane levels of pressure. That's not sustainable for any reasonable usecase of superconductors.

https://www.sciencenews.org/article/superconductor-room-temperature-pressure-physics-electricity