1/8 www.ni.com Automating Helium Liquefaction Author(s): Florin Cristian BEURAN - Université Pierre et Marie CURIE University laboratories consume large amounts of liquid helium, which is generally used for cooling and superconducting magnets for experiments carried out at temperatures close toc absolute zero. Nuclear fusion reactions in the core of stars produce helium constantly. Helium represents 25 percent of the visible mass of the universe,

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