Source: cirosantilli/superfluid-helium-4
= Superfluid helium-4
{wiki}
= Helium II
{synonym}
{title2}
Also sometimes called <helium II>, in contrast to <helium I>, which is the non-<superfluid> <liquid helium> phase.
\Video[https://www.youtube.com/watch?v=unUNQNmuvUQ]
{title=<Superfluid helium> Resonance Experiment by <Dietterich Labs> (2019)}