Ki te pēhanga taiao te wāhi kohua o te helium liquefied ko 4.22 K (-268.93 ° C). Kei raro 2.17 K wai 4He riro he superfluid (Nobel Prize 1978, Pyotr Kapitsa) me whakaatu āhuatanga āhuatanga pērā i te kawe wera i roto i te reo tuarua, kore viscosity me te pānga puna i roto i ētahi atu. Pātai: Ahea riro Heike Kamerlingh te Nobel Prize?
Ko te tau 1913