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Superfluid helium-4

Superfluid helium-4 is the superfluid form of helium-4, an isotope of the element helium. A superfluid is a state of matter in which the matter behaves like a fluid with zero viscosity. The substance, which looks like a normal liquid, flows without friction past any surface, which allows it to continue to circulate over obstructions and through pores in containers which hold it, subject only to its own inertia.

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It can't be contained!!!!muwahahah Play a prank on your friend where the fluid goes through and the glass isn't even broken :o:o

Contributed by Julius Gonzalez

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