Additional Materials

Generation and destruction of the vortex ring	Ship waves
Water drop, jet and ripples	Jet shooting up

Modern Fluid Mechanics (lecture notes)	Tidal bore on the River Severn (hydraulic jump)
Bird view of a Kelvin ship pattern	Colour figure 2.6 - three smoke jets
Frame-by-frame images of droplet falling into milk	Alternative derivation of the Kelvin ship pattern