This image represents a circular hydraulic jump produced by the impact of a 0.9 mm wide water jet on a Plexiglas disk. The flow rate is 2.1 mL/s. Credit: Physical Review Letters (2023). DOI: ...
In the winter season, meteorologists keep an eye on the arctic oscillation - called AO. The AO is a large scale mode of climate variability, also referred to as the Northern Hemisphere annular mode.