Image: Liquid helium Rollin film
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Description: The liquid helium is in the superfluid phase. A thin invisible film creeps up the inside wall of the cup and down on the outside. A drop forms. It will fall off into the liquid helium below. This will repeat until the cup is empty - provided the liquid remains superfluid.
Title: Liquid helium Rollin film
Credit: Own work
Author: I, AlfredLeitner, took this photograph as part of my movie "Liquid Helium,Superfluid"
Permission: The movie had U,S,Copyright 1963,which expired and was not renewed. PUBLIC DOMAIN.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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