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Topic: Liquid N2  (Read 7212 times)

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Offline Dolphinsiu

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Liquid N2
« on: January 21, 2008, 02:37:07 AM »
http://www.youtube.com/watch?v=c3asSdngzLs

Do anyone know why liquid N2 can overcome magnetic force?
I get no idea on it. To my chemistry knowledge, it may be due to high intermolecular force of liquid nitrogen.
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Offline Borek

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Re: Liquid N2
« Reply #1 on: January 21, 2008, 02:57:55 AM »
Magnet and superconductor. Luquid nitrogen is there just to cool superconductor down, otherwise it doesn't take place in the process.
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Offline Kryolith

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Re: Liquid N2
« Reply #2 on: January 21, 2008, 03:26:56 AM »
This is called Meißner-Ochsenfeld effect.

http://en.wikipedia.org/wiki/Meissner_effect
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