No, one only needs to find a superconductor with adequate current density above the temperature of…

Until scientists find a functional room temperature superconductor, MRI and NMR facilities need helium. A small to midsize university or hospital may spend US$20,000 per year on liquid helium, as every f…
Why is Helium Disappearing?
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The Conversation U.S.
Rex Kerr
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Feb 16, 2024
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No, one only needs to find a superconductor with adequate current density above the temperature of liquid nitrogen.
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Written by Rex Kerr604 Followers
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One who rejoices when everything is made as simple as possible, but no simpler. Sayer of things that may be wrong, but not so bad that they're not even wrong.
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