Quantum Inside Cold Helium Nanodroplets Mapped

Scientists have mapped quantum tornadoes that swirl within tiny droplets of liquid helium, which confirms that helium nanodroplets are in fact the smallest possible superfluidic objects and opens new avenues to study quantum rotation. Superfluid helium has long captured scientist's imagination since its discovery in the 1930s. Unlike normal fluids, superfluids have no viscosity, a feature that leads to strange and sometimes unexpected properties such as crawling up the walls of containers or dripping through barriers that contained the liquid before it transitioned to a superfluid. read more

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