A Conversation for Superfluidity
Helium 3
Munchkin Started conversation Oct 5, 2001
Weee Helium 
Of course, if you mix Helium 3 and 4 in the right proportions and cool them down below 800 mK they split up into two pseudo liquids too. You can then pump the Helium 3 from the mixture and cool it further. Exactly how this works is beyond me, I just used it, but I did find it really cool, in an ignorant sort of way 
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Helium 3
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