Fluid dynamics at home and keeping healthy during lockdown —Richard Hodgkinson (University of Sheffield)

The video shows an effervescent vitamin tablet dissolving into water whilst illuminated by a sheet of ultraviolet light from a household security marking blacklight. The natural dyes present in the tablet fluoresce as it dissolves, highlighting flow patterns and turbulent eddies.

https://downloads.sms.cam.ac.uk/3206800/3206811.mp4