The process of vortex ring generation and propagation has received substantial treatment in the literature. A common ring generation geometry consists of a piston moving through tube that exits into a ...

The “volcanic vortex rings” are a rare phenomenon generated by the combination of rapid gas release and vent shape. Photo: Giuseppe Di Stefano/Associated Press ...

It vaguely resembles a smoke ring, or similar ‘vortex rings’ caused by puffs of floating particles, but fails to drift or dissipate quickly. Similar sights have been recorded around the world ...

The Vortex of Putrescence is a Sorcery introduced in Elden Ring: Shadow of the Erdtree. Sorcery used by the Putrescent Knight. Launches a whirl of putrescent jets that bathe the surroundings of ...