The twenty-first century has been characterized by the increase in energy demand with new requirements, such as environmental care, renewable energy, and independence from fossil fuel reserves 1,2.

Vortex dynamics encompasses the study of rotating fluid structures that span scales from centimetre-sized eddies in engineering applications to kilometre-scale systems in the atmosphere and oceans.

An Australian-led study has provided new insight into the behaviour of rotating superfluids. A defining feature of superfluids is that they exhibit quantised vortices – they can only rotate with one, ...