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Quantum Levitation


Whitey Grandad
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Amazing. Electrcity and magnets have fascinated since childhood. Isnt that the principle MagLev trains are based on?

 

As I understand it, a magnetic field cannot exist inside a superconductor which is how maglev trains work. This quantum levitation is new to me. It's the memory effect that I cannot quite grasp. Basic magents are bad enough, I don't think anybody really understands permanent magnetism. I do remember a school experiment with a tube of liquid oxygen (which is paramagnetic) hanging on a bit of string and being pulled towards a big horseshoe magnet. It's all magic too me.

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